52604001899 has 4 divisors (see below), whose sum is σ = 52623112536. Its totient is φ = 52584891264.

The previous prime is 52604001869. The next prime is 52604001911. The reversal of 52604001899 is 99810040625.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52604001899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52604001829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9551189 + ... + 9556694.

It is an arithmetic number, because the mean of its divisors is an integer number (13155778134).

Almost surely, 2^52604001899 is an apocalyptic number.

52604001899 is a deficient number, since it is larger than the sum of its proper divisors (19110637).

52604001899 is a wasteful number, since it uses less digits than its factorization.

52604001899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19110636.

The product of its (nonzero) digits is 155520, while the sum is 44.

The spelling of 52604001899 in words is "fifty-two billion, six hundred four million, one thousand, eight hundred ninety-nine".