50525840 has 20 divisors (see below), whose sum is σ = 117472764. Its totient is φ = 20210304.

The previous prime is 50525837. The next prime is 50525857. The reversal of 50525840 is 4852505.

It can be written as a sum of positive squares in 2 ways, for example, as 23193856 + 27331984 = 4816^2 + 5228^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 315707 + ... + 315866.

Almost surely, 2^50525840 is an apocalyptic number.

It is an amenable number.

50525840 is an abundant number, since it is smaller than the sum of its proper divisors (66946924).

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

50525840 is a wasteful number, since it uses less digits than its factorization.

50525840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631586 (or 631580 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 50525840 is about 7108.1530653187. The cubic root of 50525840 is about 369.6901228227.

The spelling of 50525840 in words is "fifty million, five hundred twenty-five thousand, eight hundred forty".