53200557 has 20 divisors (see below), whose sum is σ = 82039936. Its totient is φ = 34321320.

The previous prime is 53200519. The next prime is 53200571. The reversal of 53200557 is 75500235.

It is not a de Polignac number, because 53200557 - 2²² = 49006253 is a prime.

It is a super-2 number, since 2×53200557² = 5660598530220498, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53200557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53200517) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8083 + ... + 13104.

Almost surely, 2^53200557 is an apocalyptic number.

It is an amenable number.

53200557 is a deficient number, since it is larger than the sum of its proper divisors (28839379).

53200557 is a wasteful number, since it uses less digits than its factorization.

53200557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21230 (or 21221 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 27.

The square root of 53200557 is about 7293.8711943659. The cubic root of 53200557 is about 376.1017836902.

The spelling of 53200557 in words is "fifty-three million, two hundred thousand, five hundred fifty-seven".