52555731 has 8 divisors (see below), whose sum is σ = 70170624. Its totient is φ = 34989000.

The previous prime is 52555717. The next prime is 52555739. The reversal of 52555731 is 13755525.

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

It is not a de Polignac number, because 52555731 - 2⁹ = 52555219 is a prime.

It is a super-2 number, since 2×52555731² = 5524209721888722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 52555692 and 52555701.

It is not an unprimeable number, because it can be changed into a prime (52555739) 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, 9411 + ... + 13916.

It is an arithmetic number, because the mean of its divisors is an integer number (8771328).

Almost surely, 2^52555731 is an apocalyptic number.

52555731 is a deficient number, since it is larger than the sum of its proper divisors (17614893).

52555731 is a wasteful number, since it uses less digits than its factorization.

52555731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24081.

The product of its digits is 26250, while the sum is 33.

The square root of 52555731 is about 7249.5331573833. The cubic root of 52555731 is about 374.5760684883.

The spelling of 52555731 in words is "fifty-two million, five hundred fifty-five thousand, seven hundred thirty-one".