53189490 has 32 divisors (see below), whose sum is σ = 131774976. Its totient is φ = 13726080.

The previous prime is 53189483. The next prime is 53189533. The reversal of 53189490 is 9498135.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27667 + ... + 29526.

It is an arithmetic number, because the mean of its divisors is an integer number (4117968).

Almost surely, 2^53189490 is an apocalyptic number.

53189490 is an abundant number, since it is smaller than the sum of its proper divisors (78585486).

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

53189490 is a wasteful number, since it uses less digits than its factorization.

53189490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57234.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 53189490 is about 7293.1125042742. The cubic root of 53189490 is about 376.0757024652.

The spelling of 53189490 in words is "fifty-three million, one hundred eighty-nine thousand, four hundred ninety".