53567538 has 16 divisors (see below), whose sum is σ = 107555040. Its totient is φ = 17785856.

The previous prime is 53567531. The next prime is 53567543. The reversal of 53567538 is 83576535.

It is a super-2 number, since 2×53567538² = 5738962254762888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53567538.

It is not an unprimeable number, because it can be changed into a prime (53567531) 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, 15828 + ... + 18911.

It is an arithmetic number, because the mean of its divisors is an integer number (6722190).

Almost surely, 2^53567538 is an apocalyptic number.

53567538 is an abundant number, since it is smaller than the sum of its proper divisors (53987502).

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

53567538 is a wasteful number, since it uses less digits than its factorization.

53567538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35001.

The product of its digits is 378000, while the sum is 42.

The square root of 53567538 is about 7318.9847656625. The cubic root of 53567538 is about 376.9645945638.

The spelling of 53567538 in words is "fifty-three million, five hundred sixty-seven thousand, five hundred thirty-eight".