51702056 has 24 divisors (see below), whose sum is σ = 112769370. Its totient is φ = 22157856.

The previous prime is 51702029. The next prime is 51702071. The reversal of 51702056 is 65020715.

It can be written as a sum of positive squares in only one way, i.e., 46104100 + 5597956 = 6790^2 + 2366^2 .

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 5 ways as a sum of consecutive naturals, for example, 65555 + ... + 66338.

Almost surely, 2^51702056 is an apocalyptic number.

51702056 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

51702056 is an abundant number, since it is smaller than the sum of its proper divisors (61067314).

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

51702056 is a wasteful number, since it uses less digits than its factorization.

51702056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131913 (or 131902 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 51702056 is about 7190.4141744409. The cubic root of 51702056 is about 372.5368784712.

The spelling of 51702056 in words is "fifty-one million, seven hundred two thousand, fifty-six".