52977890 has 64 divisors (see below), whose sum is σ = 116778240. Its totient is φ = 16899840.

The previous prime is 52977889. The next prime is 52977893. The reversal of 52977890 is 9877925.

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

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80804 + ... + 81456.

It is an arithmetic number, because the mean of its divisors is an integer number (1824660).

Almost surely, 2^52977890 is an apocalyptic number.

52977890 is an abundant number, since it is smaller than the sum of its proper divisors (63800350).

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

52977890 is a wasteful number, since it uses less digits than its factorization.

52977890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747.

The product of its (nonzero) digits is 317520, while the sum is 47.

The square root of 52977890 is about 7278.5912098427. The cubic root of 52977890 is about 375.5763345230.

The spelling of 52977890 in words is "fifty-two million, nine hundred seventy-seven thousand, eight hundred ninety".