53120939 has 4 divisors (see below), whose sum is σ = 53147256. Its totient is φ = 53094624.

The previous prime is 53120927. The next prime is 53120959. The reversal of 53120939 is 93902135.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53120939 - 2⁴ = 53120923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53120959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9854 + ... + 14259.

It is an arithmetic number, because the mean of its divisors is an integer number (13286814).

Almost surely, 2^53120939 is an apocalyptic number.

53120939 is a deficient number, since it is larger than the sum of its proper divisors (26317).

53120939 is a wasteful number, since it uses less digits than its factorization.

53120939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26316.

The product of its (nonzero) digits is 7290, while the sum is 32.

The square root of 53120939 is about 7288.4112809308. The cubic root of 53120939 is about 375.9140699777.

The spelling of 53120939 in words is "fifty-three million, one hundred twenty thousand, nine hundred thirty-nine".