53262139 has 32 divisors (see below), whose sum is σ = 67184640. Its totient is φ = 41192448.

The previous prime is 53262137. The next prime is 53262161. The reversal of 53262139 is 93126235.

It is a cyclic number.

It is not a de Polignac number, because 53262139 - 2¹ = 53262137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53262139.

It is not an unprimeable number, because it can be changed into a prime (53262137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 497724 + ... + 497830.

It is an arithmetic number, because the mean of its divisors is an integer number (2099520).

Almost surely, 2^53262139 is an apocalyptic number.

53262139 is a deficient number, since it is larger than the sum of its proper divisors (13922501).

53262139 is a wasteful number, since it uses less digits than its factorization.

53262139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267.

The product of its digits is 9720, while the sum is 31.

The square root of 53262139 is about 7298.0914628415. The cubic root of 53262139 is about 376.2468458877.

The spelling of 53262139 in words is "fifty-three million, two hundred sixty-two thousand, one hundred thirty-nine".