51088472 has 16 divisors (see below), whose sum is σ = 98019240. Its totient is φ = 24950016.

The previous prime is 51088447. The next prime is 51088493. The reversal of 51088472 is 27488015.

It is a super-2 number, since 2×51088472² = 5220063942589568, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73913 + ... + 74600.

Almost surely, 2^51088472 is an apocalyptic number.

It is an amenable number.

51088472 is a deficient number, since it is larger than the sum of its proper divisors (46930768).

51088472 is a wasteful number, since it uses less digits than its factorization.

51088472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148562 (or 148558 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 51088472 is about 7147.6200234763. The cubic root of 51088472 is about 371.0572923922.

The spelling of 51088472 in words is "fifty-one million, eighty-eight thousand, four hundred seventy-two".