53085858 has 16 divisors (see below), whose sum is σ = 121339200. Its totient is φ = 15167376.

The previous prime is 53085841. The next prime is 53085911. The reversal of 53085858 is 85858035.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 1263949 = 53085858 / (5 + 3 + 0 + 8 + 5 + 8 + 5 + 8).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 631933 + ... + 632016.

It is an arithmetic number, because the mean of its divisors is an integer number (7583700).

Almost surely, 2^53085858 is an apocalyptic number.

53085858 is an abundant number, since it is smaller than the sum of its proper divisors (68253342).

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

53085858 is a wasteful number, since it uses less digits than its factorization.

53085858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263961.

The product of its (nonzero) digits is 192000, while the sum is 42.

The square root of 53085858 is about 7286.0042547339. The cubic root of 53085858 is about 375.8313006982.

The spelling of 53085858 in words is "fifty-three million, eighty-five thousand, eight hundred fifty-eight".