53855040 has 56 divisors (see below), whose sum is σ = 170992800. Its totient is φ = 14361088.

The previous prime is 53855027. The next prime is 53855051. The reversal of 53855040 is 4055835.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 53854989 and 53855007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27090 + ... + 29009.

Almost surely, 2^53855040 is an apocalyptic number.

It is an amenable number.

53855040 is an abundant number, since it is smaller than the sum of its proper divisors (117137760).

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

53855040 is a wasteful number, since it uses less digits than its factorization.

53855040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56119 (or 56109 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 53855040 is about 7338.5993213964. The cubic root of 53855040 is about 377.6377930668.

The spelling of 53855040 in words is "fifty-three million, eight hundred fifty-five thousand, forty".