53515032 has 16 divisors (see below), whose sum is σ = 133787640. Its totient is φ = 17838336.

The previous prime is 53515027. The next prime is 53515037. The reversal of 53515032 is 23051535.

It is an interprime number because it is at equal distance from previous prime (53515027) and next prime (53515037).

It is a super-2 number, since 2×53515032² = 5727717299922048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 2229793 = 53515032 / (5 + 3 + 5 + 1 + 5 + 0 + 3 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 53514993 and 53515011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53515037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1114873 + ... + 1114920.

Almost surely, 2^53515032 is an apocalyptic number.

It is an amenable number.

53515032 is an abundant number, since it is smaller than the sum of its proper divisors (80272608).

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

53515032 is a wasteful number, since it uses less digits than its factorization.

53515032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229802 (or 2229798 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 53515032 is about 7315.3969133602. The cubic root of 53515032 is about 376.8413895149.

Adding to 53515032 its reverse (23051535), we get a palindrome (76566567).

The spelling of 53515032 in words is "fifty-three million, five hundred fifteen thousand, thirty-two".