53513028 has 24 divisors (see below), whose sum is σ = 138737760. Its totient is φ = 17837640.

The previous prime is 53513017. The next prime is 53513029. The reversal of 53513028 is 82031535.

53513028 is a `hidden beast` number, since 5 + 351 + 302 + 8 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 53512992 and 53513010.

It is not an unprimeable number, because it can be changed into a prime (53513029) 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, 247638 + ... + 247853.

It is an arithmetic number, because the mean of its divisors is an integer number (5780740).

Almost surely, 2^53513028 is an apocalyptic number.

It is an amenable number.

53513028 is an abundant number, since it is smaller than the sum of its proper divisors (85224732).

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

53513028 is a wasteful number, since it uses less digits than its factorization.

53513028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495504 (or 495496 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 53513028 is about 7315.2599406993. The cubic root of 53513028 is about 376.8366855433.

The spelling of 53513028 in words is "fifty-three million, five hundred thirteen thousand, twenty-eight".