51799032 has 48 divisors (see below), whose sum is σ = 140712000. Its totient is φ = 17214336.

The previous prime is 51799019. The next prime is 51799039. The reversal of 51799032 is 23099715.

It is a super-2 number, since 2×51799032² = 5366279432274048, which contains 22 as substring.

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 (51799039) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28569 + ... + 30327.

It is an arithmetic number, because the mean of its divisors is an integer number (2931500).

Almost surely, 2^51799032 is an apocalyptic number.

It is an amenable number.

51799032 is an abundant number, since it is smaller than the sum of its proper divisors (88912968).

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

51799032 is a wasteful number, since it uses less digits than its factorization.

51799032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2180 (or 2173 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 51799032 is about 7197.1544376927. The cubic root of 51799032 is about 372.7696517566.

The spelling of 51799032 in words is "fifty-one million, seven hundred ninety-nine thousand, thirty-two".