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53850040 = 2352236037
BaseRepresentation
bin1100110101101…
…0111110111000
310202022212100221
43031122332320
5102241200130
65202105424
71222501126
oct315327670
9122285327
1053850040
1128440372
121604b274
13b20593a
14721a916
154ada87a
hex335afb8

53850040 has 32 divisors (see below), whose sum is σ = 121726080. Its totient is φ = 21439872.

The previous prime is 53850029. The next prime is 53850053. The reversal of 53850040 is 4005835.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 53849987 and 53850014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5902 + ... + 11938.

It is an arithmetic number, because the mean of its divisors is an integer number (3803940).

Almost surely, 253850040 is an apocalyptic number.

It is an amenable number.

53850040 is an abundant number, since it is smaller than the sum of its proper divisors (67876040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53850040 is a wasteful number, since it uses less digits than its factorization.

53850040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6271 (or 6267 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 53850040 is about 7338.2586490257. The cubic root of 53850040 is about 377.6261058450.

Adding to 53850040 its reverse (4005835), we get a palindrome (57855875).

The spelling of 53850040 in words is "fifty-three million, eight hundred fifty thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 223 446 892 1115 1784 2230 4460 6037 8920 12074 24148 30185 48296 60370 120740 241480 1346251 2692502 5385004 6731255 10770008 13462510 26925020 53850040