52698997 has 16 divisors (see below), whose sum is σ = 60343920. Its totient is φ = 45591552.

The previous prime is 52698991. The next prime is 52699007. The reversal of 52698997 is 79989625.

It can be written as a sum of positive squares in 8 ways, for example, as 14432401 + 38266596 = 3799^2 + 6186^2 .

It is a de Polignac number, because none of the positive numbers 2^k-52698997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52698991) 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, 85663 + ... + 86275.

It is an arithmetic number, because the mean of its divisors is an integer number (3771495).

Almost surely, 2^52698997 is an apocalyptic number.

It is an amenable number.

52698997 is a deficient number, since it is larger than the sum of its proper divisors (7644923).

52698997 is a wasteful number, since it uses less digits than its factorization.

52698997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032.

The product of its digits is 2449440, while the sum is 55.

The square root of 52698997 is about 7259.4074827082. The cubic root of 52698997 is about 374.9161222772.

The spelling of 52698997 in words is "fifty-two million, six hundred ninety-eight thousand, nine hundred ninety-seven".