51099952 has 10 divisors (see below), whose sum is σ = 99006188. Its totient is φ = 25549968.

The previous prime is 51099947. The next prime is 51099967. The reversal of 51099952 is 25999015.

It is a super-2 number, since 2×51099952² = 5222410188804608, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1596858 + ... + 1596889.

Almost surely, 2^51099952 is an apocalyptic number.

It is an amenable number.

51099952 is a deficient number, since it is larger than the sum of its proper divisors (47906236).

51099952 is a wasteful number, since it uses less digits than its factorization.

51099952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3193755 (or 3193749 counting only the distinct ones).

The product of its (nonzero) digits is 36450, while the sum is 40.

The square root of 51099952 is about 7148.4230428816. The cubic root of 51099952 is about 371.0850835196.

The spelling of 51099952 in words is "fifty-one million, ninety-nine thousand, nine hundred fifty-two".