52992155 has 4 divisors (see below), whose sum is σ = 63590592. Its totient is φ = 42393720.

The previous prime is 52992151. The next prime is 52992169. The reversal of 52992155 is 55129925.

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

It is not a de Polignac number, because 52992155 - 2² = 52992151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52992151) 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, 5299211 + ... + 5299220.

It is an arithmetic number, because the mean of its divisors is an integer number (15897648).

Almost surely, 2^52992155 is an apocalyptic number.

52992155 is a deficient number, since it is larger than the sum of its proper divisors (10598437).

52992155 is a wasteful number, since it uses less digits than its factorization.

52992155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10598436.

The product of its digits is 40500, while the sum is 38.

The square root of 52992155 is about 7279.5710725289. The cubic root of 52992155 is about 375.6100411354.

The spelling of 52992155 in words is "fifty-two million, nine hundred ninety-two thousand, one hundred fifty-five".