51552968 has 8 divisors (see below), whose sum is σ = 96661830. Its totient is φ = 25776480.

The previous prime is 51552953. The next prime is 51553009. The reversal of 51552968 is 86925515.

It can be written as a sum of positive squares in only one way, i.e., 43270084 + 8282884 = 6578^2 + 2878^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3222053 + ... + 3222068.

Almost surely, 2^51552968 is an apocalyptic number.

It is an amenable number.

51552968 is a deficient number, since it is larger than the sum of its proper divisors (45108862).

51552968 is a wasteful number, since it uses less digits than its factorization.

51552968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6444127 (or 6444123 counting only the distinct ones).

The product of its digits is 108000, while the sum is 41.

The square root of 51552968 is about 7180.0395542086. The cubic root of 51552968 is about 372.1784513995.

The spelling of 51552968 in words is "fifty-one million, five hundred fifty-two thousand, nine hundred sixty-eight".