50372640 has 72 divisors (see below), whose sum is σ = 171901548. Its totient is φ = 13432320.

The previous prime is 50372633. The next prime is 50372659. The reversal of 50372640 is 4627305.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 50296464 + 76176 = 7092^2 + 276^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16051 + ... + 18930.

Almost surely, 2^50372640 is an apocalyptic number.

It is an amenable number.

50372640 is an abundant number, since it is smaller than the sum of its proper divisors (121528908).

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

50372640 is a wasteful number, since it uses less digits than its factorization.

50372640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35002 (or 34991 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 50372640 is about 7097.3685264329. The cubic root of 50372640 is about 369.3160972666.

Adding to 50372640 its reverse (4627305), we get a palindrome (54999945).

The spelling of 50372640 in words is "fifty million, three hundred seventy-two thousand, six hundred forty".