53109858 has 16 divisors (see below), whose sum is σ = 106934400. Its totient is φ = 17584176.

The previous prime is 53109857. The next prime is 53109899. The reversal of 53109858 is 85890135.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53109857) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 28810 + ... + 30597.

It is an arithmetic number, because the mean of its divisors is an integer number (6683400).

Almost surely, 2^53109858 is an apocalyptic number.

53109858 is an abundant number, since it is smaller than the sum of its proper divisors (53824542).

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

53109858 is a wasteful number, since it uses less digits than its factorization.

53109858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59561.

The product of its (nonzero) digits is 43200, while the sum is 39.

The square root of 53109858 is about 7287.6510618992. The cubic root of 53109858 is about 375.8879296675.

The spelling of 53109858 in words is "fifty-three million, one hundred nine thousand, eight hundred fifty-eight".