50970972 has 24 divisors (see below), whose sum is σ = 128081296. Its totient is φ = 15683328.

The previous prime is 50970961. The next prime is 50970979. The reversal of 50970972 is 27907905.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 50970972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50970979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163213 + ... + 163524.

Almost surely, 2^50970972 is an apocalyptic number.

50970972 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

50970972 is an abundant number, since it is smaller than the sum of its proper divisors (77110324).

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

50970972 is a wasteful number, since it uses less digits than its factorization.

50970972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326757 (or 326755 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 39.

The square root of 50970972 is about 7139.3957727528. The cubic root of 50970972 is about 370.7726052080.

The spelling of 50970972 in words is "fifty million, nine hundred seventy thousand, nine hundred seventy-two".