52722562 has 4 divisors (see below), whose sum is σ = 79083846. Its totient is φ = 26361280.

The previous prime is 52722557. The next prime is 52722563. The reversal of 52722562 is 26522725.

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

It can be written as a sum of positive squares in only one way, i.e., 52722121 + 441 = 7261^2 + 21^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (52722563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13180639 + ... + 13180642.

Almost surely, 2^52722562 is an apocalyptic number.

52722562 is a deficient number, since it is larger than the sum of its proper divisors (26361284).

52722562 is a wasteful number, since it uses less digits than its factorization.

52722562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26361283.

The product of its digits is 16800, while the sum is 31.

The square root of 52722562 is about 7261.0303676544. The cubic root of 52722562 is about 374.9719967237.

The spelling of 52722562 in words is "fifty-two million, seven hundred twenty-two thousand, five hundred sixty-two".