50972184 has 96 divisors (see below), whose sum is σ = 146240640. Its totient is φ = 16012800.

The previous prime is 50972123. The next prime is 50972189. The reversal of 50972184 is 48127905.

50972184 is a `hidden beast` number, since 509 + 72 + 1 + 84 = 666.

It is a super-3 number, since 3×50972184³ (a number of 24 digits) contains 333 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50972189) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91234 + ... + 91790.

It is an arithmetic number, because the mean of its divisors is an integer number (1523340).

Almost surely, 2^50972184 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50972184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73120320).

50972184 is an abundant number, since it is smaller than the sum of its proper divisors (95268456).

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

50972184 is a wasteful number, since it uses less digits than its factorization.

50972184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641 (or 634 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 50972184 is about 7139.4806533809. The cubic root of 50972184 is about 370.7755439581.

The spelling of 50972184 in words is "fifty million, nine hundred seventy-two thousand, one hundred eighty-four".