52802564 has 6 divisors (see below), whose sum is σ = 92404494. Its totient is φ = 26401280.

The previous prime is 52802551. The next prime is 52802567. The reversal of 52802564 is 46520825.

It can be written as a sum of positive squares in only one way, i.e., 50268100 + 2534464 = 7090^2 + 1592^2 .

It is a super-2 number, since 2×52802564² = 5576221529948192, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52802564.

It is not an unprimeable number, because it can be changed into a prime (52802567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6600317 + ... + 6600324.

It is an arithmetic number, because the mean of its divisors is an integer number (15400749).

Almost surely, 2^52802564 is an apocalyptic number.

It is an amenable number.

52802564 is a deficient number, since it is larger than the sum of its proper divisors (39601930).

52802564 is a wasteful number, since it uses less digits than its factorization.

52802564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13200645 (or 13200643 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 52802564 is about 7266.5372771355. The cubic root of 52802564 is about 375.1615635678.

The spelling of 52802564 in words is "fifty-two million, eight hundred two thousand, five hundred sixty-four".