52662731 has 8 divisors (see below), whose sum is σ = 57520128. Its totient is φ = 47817000.

The previous prime is 52662721. The next prime is 52662739. The reversal of 52662731 is 13726625.

52662731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-52662731 is a prime.

It is a super-2 number, since 2×52662731² = 5546726472756722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52662739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8486 + ... + 13316.

It is an arithmetic number, because the mean of its divisors is an integer number (7190016).

Almost surely, 2^52662731 is an apocalyptic number.

52662731 is a deficient number, since it is larger than the sum of its proper divisors (4857397).

52662731 is a wasteful number, since it uses less digits than its factorization.

52662731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5833.

The product of its digits is 15120, while the sum is 32.

The square root of 52662731 is about 7256.9091905576. The cubic root of 52662731 is about 374.8301002210.

It can be divided in two parts, 5266 and 2731, that added together give a palindrome (7997).

The spelling of 52662731 in words is "fifty-two million, six hundred sixty-two thousand, seven hundred thirty-one".