52977897 has 24 divisors (see below), whose sum is σ = 88050560. Its totient is φ = 30067200.

The previous prime is 52977893. The next prime is 52977907. The reversal of 52977897 is 79877925.

It is not a de Polignac number, because 52977897 - 2² = 52977893 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52977893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6729 + ... + 12297.

Almost surely, 2^52977897 is an apocalyptic number.

It is an amenable number.

52977897 is a deficient number, since it is larger than the sum of its proper divisors (35072663).

52977897 is a wasteful number, since it uses less digits than its factorization.

52977897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5733 (or 5730 counting only the distinct ones).

The product of its digits is 2222640, while the sum is 54.

The square root of 52977897 is about 7278.5916907050. The cubic root of 52977897 is about 375.5763510647.

The spelling of 52977897 in words is "fifty-two million, nine hundred seventy-seven thousand, eight hundred ninety-seven".