51963132 has 24 divisors (see below), whose sum is σ = 130574416. Its totient is φ = 15988608.

The previous prime is 51963097. The next prime is 51963143. The reversal of 51963132 is 23136915.

It is a self number, because there is not a number n which added to its sum of digits gives 51963132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166393 + ... + 166704.

Almost surely, 2^51963132 is an apocalyptic number.

51963132 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

51963132 is an abundant number, since it is smaller than the sum of its proper divisors (78611284).

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

51963132 is a wasteful number, since it uses less digits than its factorization.

51963132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333117 (or 333115 counting only the distinct ones).

The product of its digits is 4860, while the sum is 30.

The square root of 51963132 is about 7208.5457618024. The cubic root of 51963132 is about 373.1628831458.

The spelling of 51963132 in words is "fifty-one million, nine hundred sixty-three thousand, one hundred thirty-two".