52736357 has 4 divisors (see below), whose sum is σ = 52759020. Its totient is φ = 52713696.

The previous prime is 52736353. The next prime is 52736399. The reversal of 52736357 is 75363725.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11082241 + 41654116 = 3329^2 + 6454^2 .

It is a cyclic number.

It is not a de Polignac number, because 52736357 - 2² = 52736353 is a prime.

It is a super-2 number, since 2×52736357² = 5562246699262898, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52736357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52736351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7382 + ... + 12647.

It is an arithmetic number, because the mean of its divisors is an integer number (13189755).

Almost surely, 2^52736357 is an apocalyptic number.

It is an amenable number.

52736357 is a deficient number, since it is larger than the sum of its proper divisors (22663).

52736357 is a wasteful number, since it uses less digits than its factorization.

52736357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22662.

The product of its digits is 132300, while the sum is 38.

The square root of 52736357 is about 7261.9802395765. The cubic root of 52736357 is about 375.0046980152.

The spelling of 52736357 in words is "fifty-two million, seven hundred thirty-six thousand, three hundred fifty-seven".