51106560 has 72 divisors (see below), whose sum is σ = 163233840. Its totient is φ = 13627392.

The previous prime is 51106543. The next prime is 51106571. The reversal of 51106560 is 6560115.

It is a super-2 number, since 2×51106560² = 5223760950067200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 51106560.

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, 2815 + ... + 10494.

Almost surely, 2^51106560 is an apocalyptic number.

It is an amenable number.

51106560 is an abundant number, since it is smaller than the sum of its proper divisors (112127280).

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

51106560 is a wasteful number, since it uses less digits than its factorization.

51106560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13333 (or 13319 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 51106560 is about 7148.8852277820. The cubic root of 51106560 is about 371.1010784761.

Adding to 51106560 its reverse (6560115), we get a palindrome (57666675).

The spelling of 51106560 in words is "fifty-one million, one hundred six thousand, five hundred sixty".