51552612 has 30 divisors (see below), whose sum is σ = 134769558. Its totient is φ = 17184096.

The previous prime is 51552593. The next prime is 51552629. The reversal of 51552612 is 21625515.

51552612 is a `hidden beast` number, since 51 + 552 + 61 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 34857216 + 16695396 = 5904^2 + 4086^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 79233 + ... + 79880.

Almost surely, 2^51552612 is an apocalyptic number.

It is an amenable number.

51552612 is an abundant number, since it is smaller than the sum of its proper divisors (83216946).

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

51552612 is a wasteful number, since it uses less digits than its factorization.

51552612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159129 (or 159118 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 51552612 is about 7180.0147632160. The cubic root of 51552612 is about 372.1775947024.

The spelling of 51552612 in words is "fifty-one million, five hundred fifty-two thousand, six hundred twelve".