52977909 has 16 divisors (see below), whose sum is σ = 74692800. Its totient is φ = 33307776.

The previous prime is 52977907. The next prime is 52977913. The reversal of 52977909 is 90977925.

It is not a de Polignac number, because 52977909 - 2¹ = 52977907 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52977907) 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, 11287 + ... + 15275.

It is an arithmetic number, because the mean of its divisors is an integer number (4668300).

Almost surely, 2^52977909 is an apocalyptic number.

It is an amenable number.

52977909 is a deficient number, since it is larger than the sum of its proper divisors (21714891).

52977909 is a wasteful number, since it uses less digits than its factorization.

52977909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4244.

The product of its (nonzero) digits is 357210, while the sum is 48.

The square root of 52977909 is about 7278.5925150403. The cubic root of 52977909 is about 375.5763794219.

The spelling of 52977909 in words is "fifty-two million, nine hundred seventy-seven thousand, nine hundred nine".