53290560 has 56 divisors (see below), whose sum is σ = 169200576. Its totient is φ = 14210560.

The previous prime is 53290543. The next prime is 53290577. The reversal of 53290560 is 6509235.

It is an interprime number because it is at equal distance from previous prime (53290543) and next prime (53290577).

It is a super-2 number, since 2×53290560² = 5679767570227200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26796 + ... + 28715.

Almost surely, 2^53290560 is an apocalyptic number.

It is an amenable number.

53290560 is an abundant number, since it is smaller than the sum of its proper divisors (115910016).

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

53290560 is a wasteful number, since it uses less digits than its factorization.

53290560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55531 (or 55521 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 53290560 is about 7300.0383560636. The cubic root of 53290560 is about 376.3137565198.

Adding to 53290560 its reverse (6509235), we get a palindrome (59799795).

The spelling of 53290560 in words is "fifty-three million, two hundred ninety thousand, five hundred sixty".