51802992 has 60 divisors (see below), whose sum is σ = 151289424. Its totient is φ = 16515840.

The previous prime is 51802981. The next prime is 51802999. The reversal of 51802992 is 29920815.

51802992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51802999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4509 + ... + 11132.

Almost surely, 2^51802992 is an apocalyptic number.

It is an amenable number.

51802992 is an abundant number, since it is smaller than the sum of its proper divisors (99486432).

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

51802992 is a wasteful number, since it uses less digits than its factorization.

51802992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15678 (or 15669 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 51802992 is about 7197.4295411626. The cubic root of 51802992 is about 372.7791508415.

The spelling of 51802992 in words is "fifty-one million, eight hundred two thousand, nine hundred ninety-two".