50722900 has 36 divisors (see below), whose sum is σ = 116547228. Its totient is φ = 19095040.

The previous prime is 50722879. The next prime is 50722901. The reversal of 50722900 is 922705.

It can be written as a sum of positive squares in 6 ways, for example, as 3992004 + 46730896 = 1998^2 + 6836^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50722901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13219 + ... + 16618.

It is an arithmetic number, because the mean of its divisors is an integer number (3237423).

Almost surely, 2^50722900 is an apocalyptic number.

50722900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

50722900 is an abundant number, since it is smaller than the sum of its proper divisors (65824328).

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

50722900 is a wasteful number, since it uses less digits than its factorization.

50722900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29868 (or 29861 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 50722900 is about 7122.0011232799. The cubic root of 50722900 is about 370.1701189948.

The spelling of 50722900 in words is "fifty million, seven hundred twenty-two thousand, nine hundred".