51970532 has 12 divisors (see below), whose sum is σ = 92883840. Its totient is φ = 25432296.

The previous prime is 51970511. The next prime is 51970543. The reversal of 51970532 is 23507915.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138032 + ... + 138407.

It is an arithmetic number, because the mean of its divisors is an integer number (7740320).

Almost surely, 2^51970532 is an apocalyptic number.

It is an amenable number.

51970532 is a deficient number, since it is larger than the sum of its proper divisors (40913308).

51970532 is a wasteful number, since it uses less digits than its factorization.

51970532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276490 (or 276488 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 51970532 is about 7209.0590232013. The cubic root of 51970532 is about 373.1805961804.

The spelling of 51970532 in words is "fifty-one million, nine hundred seventy thousand, five hundred thirty-two".