51519552 has 56 divisors (see below), whose sum is σ = 155789376. Its totient is φ = 14719488.

The previous prime is 51519527. The next prime is 51519569. The reversal of 51519552 is 25591515.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-3 number, since 3×51519552³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17823 + ... + 20510.

Almost surely, 2^51519552 is an apocalyptic number.

It is an amenable number.

51519552 is an abundant number, since it is smaller than the sum of its proper divisors (104269824).

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

51519552 is a wasteful number, since it uses less digits than its factorization.

51519552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38355 (or 38345 counting only the distinct ones).

The product of its digits is 11250, while the sum is 33.

The square root of 51519552 is about 7177.7121703228. The cubic root of 51519552 is about 372.0980201868.

The spelling of 51519552 in words is "fifty-one million, five hundred nineteen thousand, five hundred fifty-two".