51025416 has 32 divisors (see below), whose sum is σ = 137376960. Its totient is φ = 15700032.

The previous prime is 51025399. The next prime is 51025423. The reversal of 51025416 is 61452015.

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

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, 81460 + ... + 82083.

It is an arithmetic number, because the mean of its divisors is an integer number (4293030).

Almost surely, 2^51025416 is an apocalyptic number.

It is an amenable number.

51025416 is an abundant number, since it is smaller than the sum of its proper divisors (86351544).

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

51025416 is a wasteful number, since it uses less digits than its factorization.

51025416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163565 (or 163561 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 51025416 is about 7143.2076828271. The cubic root of 51025416 is about 370.9045702588.

The spelling of 51025416 in words is "fifty-one million, twenty-five thousand, four hundred sixteen".