52561498 has 16 divisors (see below), whose sum is σ = 86774976. Its totient is φ = 23679040.

The previous prime is 52561489. The next prime is 52561499. The reversal of 52561498 is 89416525.

It is a super-2 number, since 2×52561498² = 5525422144008008, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 52561498.

It is not an unprimeable number, because it can be changed into a prime (52561499) 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, 8086 + ... + 13057.

It is an arithmetic number, because the mean of its divisors is an integer number (5423436).

Almost surely, 2^52561498 is an apocalyptic number.

52561498 is a deficient number, since it is larger than the sum of its proper divisors (34213478).

52561498 is a wasteful number, since it uses less digits than its factorization.

52561498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21269.

The product of its digits is 86400, while the sum is 40.

The square root of 52561498 is about 7249.9308962224. The cubic root of 52561498 is about 374.5897688729.

The spelling of 52561498 in words is "fifty-two million, five hundred sixty-one thousand, four hundred ninety-eight".