52749477 has 12 divisors (see below), whose sum is σ = 83120544. Its totient is φ = 31969320.

The previous prime is 52749461. The next prime is 52749497. The reversal of 52749477 is 77494725.

It is not a de Polignac number, because 52749477 - 2⁴ = 52749461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52749497) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 266313 + ... + 266510.

It is an arithmetic number, because the mean of its divisors is an integer number (6926712).

Almost surely, 2^52749477 is an apocalyptic number.

It is an amenable number.

52749477 is a deficient number, since it is larger than the sum of its proper divisors (30371067).

52749477 is a wasteful number, since it uses less digits than its factorization.

52749477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532840 (or 532837 counting only the distinct ones).

The product of its digits is 493920, while the sum is 45.

The square root of 52749477 is about 7262.8835182729. The cubic root of 52749477 is about 375.0357939167.

The spelling of 52749477 in words is "fifty-two million, seven hundred forty-nine thousand, four hundred seventy-seven".