52257723 has 16 divisors (see below), whose sum is σ = 82200576. Its totient is φ = 28897920.

The previous prime is 52257721. The next prime is 52257731. The reversal of 52257723 is 32775225.

It is not a de Polignac number, because 52257723 - 2¹ = 52257721 is a prime.

It is a super-2 number, since 2×52257723² = 5461739226289458, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52257721) 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, 39486 + ... + 40787.

It is an arithmetic number, because the mean of its divisors is an integer number (5137536).

Almost surely, 2^52257723 is an apocalyptic number.

52257723 is a deficient number, since it is larger than the sum of its proper divisors (29942853).

52257723 is a wasteful number, since it uses less digits than its factorization.

52257723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80314.

The product of its digits is 29400, while the sum is 33.

The square root of 52257723 is about 7228.9503387421. The cubic root of 52257723 is about 373.8667369115.

The spelling of 52257723 in words is "fifty-two million, two hundred fifty-seven thousand, seven hundred twenty-three".