51667056 has 60 divisors (see below), whose sum is σ = 165255792. Its totient is φ = 14761728.

The previous prime is 51667043. The next prime is 51667069. The reversal of 51667056 is 65076615.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (51667043) and next prime (51667069).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 51667056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24621 + ... + 26636.

Almost surely, 2^51667056 is an apocalyptic number.

51667056 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

51667056 is an abundant number, since it is smaller than the sum of its proper divisors (113588736).

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

51667056 is a wasteful number, since it uses less digits than its factorization.

51667056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51278 (or 51269 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 51667056 is about 7187.9799665831. The cubic root of 51667056 is about 372.4527958442.

The spelling of 51667056 in words is "fifty-one million, six hundred sixty-seven thousand, fifty-six".