52977613 has 6 divisors (see below), whose sum is σ = 57366474. Its totient is φ = 48902256.

The previous prime is 52977611. The next prime is 52977619. The reversal of 52977613 is 31677925.

It can be written as a sum of positive squares in 3 ways, for example, as 3232804 + 49744809 = 1798^2 + 7053^2 .

It is not a de Polignac number, because 52977613 - 2¹ = 52977611 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52977611) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 156570 + ... + 156907.

It is an arithmetic number, because the mean of its divisors is an integer number (9561079).

Almost surely, 2^52977613 is an apocalyptic number.

It is an amenable number.

52977613 is a deficient number, since it is larger than the sum of its proper divisors (4388861).

52977613 is a wasteful number, since it uses less digits than its factorization.

52977613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313503 (or 313490 counting only the distinct ones).

The product of its digits is 79380, while the sum is 40.

The square root of 52977613 is about 7278.5721814103. The cubic root of 52977613 is about 375.5756799429.

The spelling of 52977613 in words is "fifty-two million, nine hundred seventy-seven thousand, six hundred thirteen".