50974720 has 104 divisors (see below), whose sum is σ = 129745440. Its totient is φ = 19169280.

The previous prime is 50974717. The next prime is 50974723. The reversal of 50974720 is 2747905.

50974720 = 685² + 686² + ... + 779².

It is an interprime number because it is at equal distance from previous prime (50974717) and next prime (50974723).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50974723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389055 + ... + 389185.

Almost surely, 2^50974720 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 50974720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64872720).

50974720 is an abundant number, since it is smaller than the sum of its proper divisors (78770720).

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

50974720 is a wasteful number, since it uses less digits than its factorization.

50974720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 50974720 is about 7139.6582551268. The cubic root of 50974720 is about 370.7816928751.

The spelling of 50974720 in words is "fifty million, nine hundred seventy-four thousand, seven hundred twenty".