51415588 has 12 divisors (see below), whose sum is σ = 102831232. Its totient is φ = 22035240.

The previous prime is 51415583. The next prime is 51415589. The reversal of 51415588 is 88551415.

51415588 is an admirable number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (51415583) 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, 918108 + ... + 918163.

Almost surely, 2^51415588 is an apocalyptic number.

It is an amenable number.

51415588 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51415588 is a wasteful number, since it uses less digits than its factorization.

51415588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1836282 (or 1836280 counting only the distinct ones).

The product of its digits is 32000, while the sum is 37.

The square root of 51415588 is about 7170.4663725590. The cubic root of 51415588 is about 371.8475596164.

It can be divided in two parts, 51415 and 588, that added together give a triangular number (52003 = T₃₂₂).

The spelling of 51415588 in words is "fifty-one million, four hundred fifteen thousand, five hundred eighty-eight".