51963952 has 40 divisors (see below), whose sum is σ = 105278976. Its totient is φ = 24822336.

The previous prime is 51963949. The next prime is 51963959. The reversal of 51963952 is 25936915.

It is a happy number.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (51963959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31533 + ... + 33139.

Almost surely, 2^51963952 is an apocalyptic number.

It is an amenable number.

51963952 is an abundant number, since it is smaller than the sum of its proper divisors (53315024).

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

51963952 is a wasteful number, since it uses less digits than its factorization.

51963952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1705 (or 1699 counting only the distinct ones).

The product of its digits is 72900, while the sum is 40.

The square root of 51963952 is about 7208.6026385146. The cubic root of 51963952 is about 373.1648460244.

The spelling of 51963952 in words is "fifty-one million, nine hundred sixty-three thousand, nine hundred fifty-two".