52192779 has 16 divisors (see below), whose sum is σ = 72640800. Its totient is φ = 33291776.

The previous prime is 52192769. The next prime is 52192783. The reversal of 52192779 is 97729125.

It is a cyclic number.

It is not a de Polignac number, because 52192779 - 2⁸ = 52192523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52192779.

It is not an unprimeable number, because it can be changed into a prime (52192709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7177 + ... + 12485.

It is an arithmetic number, because the mean of its divisors is an integer number (4540050).

Almost surely, 2^52192779 is an apocalyptic number.

52192779 is a deficient number, since it is larger than the sum of its proper divisors (20448021).

52192779 is a wasteful number, since it uses less digits than its factorization.

52192779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5454.

The product of its digits is 79380, while the sum is 42.

The square root of 52192779 is about 7224.4570038170. The cubic root of 52192779 is about 373.7117967089.

The spelling of 52192779 in words is "fifty-two million, one hundred ninety-two thousand, seven hundred seventy-nine".