53622139 has 8 divisors (see below), whose sum is σ = 55168400. Its totient is φ = 52081056.

The previous prime is 53622103. The next prime is 53622143. The reversal of 53622139 is 93122635.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53622139 - 2¹³ = 53613947 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 53622139.

It is not an unprimeable number, because it can be changed into a prime (53625139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30712 + ... + 32410.

It is an arithmetic number, because the mean of its divisors is an integer number (6896050).

Almost surely, 2^53622139 is an apocalyptic number.

53622139 is a deficient number, since it is larger than the sum of its proper divisors (1546261).

53622139 is a wasteful number, since it uses less digits than its factorization.

53622139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2589.

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

The square root of 53622139 is about 7322.7139094737. The cubic root of 53622139 is about 377.0926301572.

The spelling of 53622139 in words is "fifty-three million, six hundred twenty-two thousand, one hundred thirty-nine".