52977906 has 12 divisors (see below), whose sum is σ = 114785502. Its totient is φ = 17659296.

The previous prime is 52977893. The next prime is 52977907. The reversal of 52977906 is 60977925.

It can be written as a sum of positive squares in only one way, i.e., 32592681 + 20385225 = 5709^2 + 4515^2 .

It is not an unprimeable number, because it can be changed into a prime (52977907) 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 5 ways as a sum of consecutive naturals, for example, 1471591 + ... + 1471626.

Almost surely, 2^52977906 is an apocalyptic number.

52977906 is an abundant number, since it is smaller than the sum of its proper divisors (61807596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52977906 is a wasteful number, since it uses less digits than its factorization.

52977906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2943225 (or 2943222 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 45.

The square root of 52977906 is about 7278.5923089565. The cubic root of 52977906 is about 375.5763723326.

It can be divided in two parts, 5297 and 7906, that added together give a triangular number (13203 = T₁₆₂).

The spelling of 52977906 in words is "fifty-two million, nine hundred seventy-seven thousand, nine hundred six".