51479456 has 24 divisors (see below), whose sum is σ = 115829280. Its totient is φ = 22062528.

The previous prime is 51479453. The next prime is 51479513. The reversal of 51479456 is 65497415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51479453) 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, 114686 + ... + 115133.

It is an arithmetic number, because the mean of its divisors is an integer number (4826220).

Almost surely, 2^51479456 is an apocalyptic number.

51479456 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

51479456 is an abundant number, since it is smaller than the sum of its proper divisors (64349824).

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

51479456 is a wasteful number, since it uses less digits than its factorization.

51479456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229836 (or 229828 counting only the distinct ones).

The product of its digits is 151200, while the sum is 41.

The square root of 51479456 is about 7174.9185361229. The cubic root of 51479456 is about 372.0014645181.

The spelling of 51479456 in words is "fifty-one million, four hundred seventy-nine thousand, four hundred fifty-six".