51923532 has 48 divisors (see below), whose sum is σ = 126669312. Its totient is φ = 16537920.

The previous prime is 51923519. The next prime is 51923537. The reversal of 51923532 is 23532915.

It is a self number, because there is not a number n which added to its sum of digits gives 51923532.

It is not an unprimeable number, because it can be changed into a prime (51923537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23182 + ... + 25322.

It is an arithmetic number, because the mean of its divisors is an integer number (2638944).

Almost surely, 2^51923532 is an apocalyptic number.

It is an amenable number.

51923532 is an abundant number, since it is smaller than the sum of its proper divisors (74745780).

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

51923532 is a wasteful number, since it uses less digits than its factorization.

51923532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2238 (or 2236 counting only the distinct ones).

The product of its digits is 8100, while the sum is 30.

The square root of 51923532 is about 7205.7984984317. The cubic root of 51923532 is about 373.0680658847.

The spelling of 51923532 in words is "fifty-one million, nine hundred twenty-three thousand, five hundred thirty-two".