53061858 has 32 divisors (see below), whose sum is σ = 118499520. Its totient is φ = 17599680.

The previous prime is 53061857. The next prime is 53061859. The reversal of 53061858 is 85816035.

53061858 is a `hidden beast` number, since 5 + 30 + 618 + 5 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (53061857) and next prime (53061859).

It is not an unprimeable number, because it can be changed into a prime (53061857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9066 + ... + 13722.

It is an arithmetic number, because the mean of its divisors is an integer number (3703110).

Almost surely, 2^53061858 is an apocalyptic number.

53061858 is an abundant number, since it is smaller than the sum of its proper divisors (65437662).

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

53061858 is a wasteful number, since it uses less digits than its factorization.

53061858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4879 (or 4873 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 53061858 is about 7284.3570752675. The cubic root of 53061858 is about 375.7746546585.

The spelling of 53061858 in words is "fifty-three million, sixty-one thousand, eight hundred fifty-eight".