53975516 has 24 divisors (see below), whose sum is σ = 110586336. Its totient is φ = 22567680.

The previous prime is 53975513. The next prime is 53975533. The reversal of 53975516 is 61557935.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53975513) 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, 22361 + ... + 24656.

It is an arithmetic number, because the mean of its divisors is an integer number (4607764).

Almost surely, 2^53975516 is an apocalyptic number.

It is an amenable number.

53975516 is an abundant number, since it is smaller than the sum of its proper divisors (56610820).

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

53975516 is a wasteful number, since it uses less digits than its factorization.

53975516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47069 (or 47067 counting only the distinct ones).

The product of its digits is 141750, while the sum is 41.

The square root of 53975516 is about 7346.8031142804. The cubic root of 53975516 is about 377.9191805789.

The spelling of 53975516 in words is "fifty-three million, nine hundred seventy-five thousand, five hundred sixteen".