53557416 has 64 divisors (see below), whose sum is σ = 162302400. Its totient is φ = 16228800.

The previous prime is 53557391. The next prime is 53557417. The reversal of 53557416 is 61475535.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (53557417) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 8895 + ... + 13646.

It is an arithmetic number, because the mean of its divisors is an integer number (2535975).

Almost surely, 2^53557416 is an apocalyptic number.

It is an amenable number.

53557416 is an abundant number, since it is smaller than the sum of its proper divisors (108744984).

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

53557416 is a wasteful number, since it uses less digits than its factorization.

53557416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22567 (or 22557 counting only the distinct ones).

The product of its digits is 63000, while the sum is 36.

The square root of 53557416 is about 7318.2932436464. The cubic root of 53557416 is about 376.9408496110.

The spelling of 53557416 in words is "fifty-three million, five hundred fifty-seven thousand, four hundred sixteen".