53889570 has 64 divisors (see below), whose sum is σ = 164240640. Its totient is φ = 12317184.

The previous prime is 53889557. The next prime is 53889581. The reversal of 53889570 is 7598835.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 12367 + ... + 16146.

It is an arithmetic number, because the mean of its divisors is an integer number (2566260).

Almost surely, 2^53889570 is an apocalyptic number.

53889570 is an abundant number, since it is smaller than the sum of its proper divisors (110351070).

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

53889570 is a wasteful number, since it uses less digits than its factorization.

53889570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28536 (or 28530 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 53889570 is about 7340.9515731954. The cubic root of 53889570 is about 377.7184852799.

The spelling of 53889570 in words is "fifty-three million, eight hundred eighty-nine thousand, five hundred seventy".