51254656 has 32 divisors (see below), whose sum is σ = 105410880. Its totient is φ = 24798720.

The previous prime is 51254611. The next prime is 51254663. The reversal of 51254656 is 65645215.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2491 + ... + 10426.

It is an arithmetic number, because the mean of its divisors is an integer number (3294090).

Almost surely, 2^51254656 is an apocalyptic number.

It is an amenable number.

51254656 is an abundant number, since it is smaller than the sum of its proper divisors (54156224).

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

51254656 is a wasteful number, since it uses less digits than its factorization.

51254656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12962 (or 12950 counting only the distinct ones).

The product of its digits is 36000, while the sum is 34.

The square root of 51254656 is about 7159.2357133985. The cubic root of 51254656 is about 371.4591902626.

The spelling of 51254656 in words is "fifty-one million, two hundred fifty-four thousand, six hundred fifty-six".