51625448 has 32 divisors (see below), whose sum is σ = 110928960. Its totient is φ = 22064640.

The previous prime is 51625439. The next prime is 51625463. The reversal of 51625448 is 84452615.

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 an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23768 + ... + 25848.

It is an arithmetic number, because the mean of its divisors is an integer number (3466530).

Almost surely, 2^51625448 is an apocalyptic number.

It is an amenable number.

51625448 is an abundant number, since it is smaller than the sum of its proper divisors (59303512).

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

51625448 is a wasteful number, since it uses less digits than its factorization.

51625448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2537 (or 2533 counting only the distinct ones).

The product of its digits is 38400, while the sum is 35.

The square root of 51625448 is about 7185.0851073596. The cubic root of 51625448 is about 372.3527889993.

The spelling of 51625448 in words is "fifty-one million, six hundred twenty-five thousand, four hundred forty-eight".