50921590 has 16 divisors (see below), whose sum is σ = 93895200. Its totient is φ = 19871680.

The previous prime is 50921581. The next prime is 50921597. The reversal of 50921590 is 9512905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50921597) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61690 + ... + 62509.

It is an arithmetic number, because the mean of its divisors is an integer number (5868450).

Almost surely, 2^50921590 is an apocalyptic number.

50921590 is a deficient number, since it is larger than the sum of its proper divisors (42973610).

50921590 is a wasteful number, since it uses less digits than its factorization.

50921590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124247.

The product of its (nonzero) digits is 4050, while the sum is 31.

The square root of 50921590 is about 7135.9365187759. The cubic root of 50921590 is about 370.6528284792.

The spelling of 50921590 in words is "fifty million, nine hundred twenty-one thousand, five hundred ninety".