51992152 has 32 divisors (see below), whose sum is σ = 101476800. Its totient is φ = 24953344.

The previous prime is 51992147. The next prime is 51992159. The reversal of 51992152 is 25129915.

It is a super-2 number, since 2×51992152² = 5406367739182208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51992159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18624 + ... + 21232.

It is an arithmetic number, because the mean of its divisors is an integer number (3171150).

Almost surely, 2^51992152 is an apocalyptic number.

It is an amenable number.

51992152 is a deficient number, since it is larger than the sum of its proper divisors (49484648).

51992152 is a wasteful number, since it uses less digits than its factorization.

51992152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2715 (or 2711 counting only the distinct ones).

The product of its digits is 8100, while the sum is 34.

The square root of 51992152 is about 7210.5583695023. The cubic root of 51992152 is about 373.2323373347.

The spelling of 51992152 in words is "fifty-one million, nine hundred ninety-two thousand, one hundred fifty-two".