52731157 has 8 divisors (see below), whose sum is σ = 55722240. Its totient is φ = 49798320.

The previous prime is 52731149. The next prime is 52731167. The reversal of 52731157 is 75113725.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52731157 - 2³ = 52731149 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 (52731167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12694 + ... + 16327.

It is an arithmetic number, because the mean of its divisors is an integer number (6965280).

Almost surely, 2^52731157 is an apocalyptic number.

It is an amenable number.

52731157 is a deficient number, since it is larger than the sum of its proper divisors (2991083).

52731157 is a wasteful number, since it uses less digits than its factorization.

52731157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29123.

The product of its digits is 7350, while the sum is 31.

The square root of 52731157 is about 7261.6222016847. The cubic root of 52731157 is about 374.9923719930.

It can be divided in two parts, 527 and 31157, that added together give a square (31684 = 178²).

The spelling of 52731157 in words is "fifty-two million, seven hundred thirty-one thousand, one hundred fifty-seven".