50972544 has 256 divisors, whose sum is σ = 179520000. Its totient is φ = 14224896.

The previous prime is 50972521. The next prime is 50972549. The reversal of 50972544 is 44527905.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 50972499 and 50972508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50972549) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1185387 + ... + 1185429.

It is an arithmetic number, because the mean of its divisors is an integer number (701250).

Almost surely, 2^50972544 is an apocalyptic number.

50972544 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50972544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89760000).

50972544 is an abundant number, since it is smaller than the sum of its proper divisors (128547456).

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

50972544 is an equidigital number, since it uses as much as digits as its factorization.

50972544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87 (or 55 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 50972544 is about 7139.5058652543. The cubic root of 50972544 is about 370.7764168451.

The spelling of 50972544 in words is "fifty million, nine hundred seventy-two thousand, five hundred forty-four".