53321590 has 32 divisors (see below), whose sum is σ = 114462720. Its totient is φ = 17486304.

The previous prime is 53321563. The next prime is 53321711. The reversal of 53321590 is 9512335.

53321590 is nontrivially palindromic in base 3.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14950 + ... + 18169.

It is an arithmetic number, because the mean of its divisors is an integer number (3576960).

Almost surely, 2^53321590 is an apocalyptic number.

53321590 is an abundant number, since it is smaller than the sum of its proper divisors (61141130).

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

53321590 is a wasteful number, since it uses less digits than its factorization.

53321590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33156.

The product of its (nonzero) digits is 4050, while the sum is 28.

The square root of 53321590 is about 7302.1633780682. The cubic root of 53321590 is about 376.3867822750.

The spelling of 53321590 in words is "fifty-three million, three hundred twenty-one thousand, five hundred ninety".