52520998 has 4 divisors (see below), whose sum is σ = 78781500. Its totient is φ = 26260498.

The previous prime is 52520981. The next prime is 52521047. The reversal of 52520998 is 89902525.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 52520998.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13130248 + ... + 13130251.

It is an arithmetic number, because the mean of its divisors is an integer number (19695375).

Almost surely, 2^52520998 is an apocalyptic number.

52520998 is a deficient number, since it is larger than the sum of its proper divisors (26260502).

52520998 is a wasteful number, since it uses less digits than its factorization.

52520998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26260501.

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 52520998 is about 7247.1372278990. The cubic root of 52520998 is about 374.4935337680.

The spelling of 52520998 in words is "fifty-two million, five hundred twenty thousand, nine hundred ninety-eight".