53951140 has 24 divisors (see below), whose sum is σ = 113513400. Its totient is φ = 21539328.

The previous prime is 53951101. The next prime is 53951141. The reversal of 53951140 is 4115935.

It can be written as a sum of positive squares in 4 ways, for example, as 12503296 + 41447844 = 3536^2 + 6438^2 .

It is a junction number, because it is equal to n+sod(n) for n = 53951099 and 53951108.

It is not an unprimeable number, because it can be changed into a prime (53951141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9586 + ... + 14134.

It is an arithmetic number, because the mean of its divisors is an integer number (4729725).

Almost surely, 2^53951140 is an apocalyptic number.

It is an amenable number.

53951140 is an abundant number, since it is smaller than the sum of its proper divisors (59562260).

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

53951140 is a wasteful number, since it uses less digits than its factorization.

53951140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5151 (or 5149 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 53951140 is about 7345.1439740825. The cubic root of 53951140 is about 377.8622810452.

The spelling of 53951140 in words is "fifty-three million, nine hundred fifty-one thousand, one hundred forty".