52154618807998 has 16 divisors (see below), whose sum is σ = 89410257008640. Its totient is φ = 22351394726136.

The previous prime is 52154618807989. The next prime is 52154618808007. The reversal of 52154618807998 is 89970881645125.

It is an interprime number because it is at equal distance from previous prime (52154618807989) and next prime (52154618808007).

It is a self number, because there is not a number n which added to its sum of digits gives 52154618807998.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48175786 + ... + 49246477.

It is an arithmetic number, because the mean of its divisors is an integer number (5588141063040).

Almost surely, 2^{52154618807998} is an apocalyptic number.

52154618807998 is a deficient number, since it is larger than the sum of its proper divisors (37255638200642).

52154618807998 is a wasteful number, since it uses less digits than its factorization.

52154618807998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97460511.

The product of its (nonzero) digits is 348364800, while the sum is 73.

The spelling of 52154618807998 in words is "fifty-two trillion, one hundred fifty-four billion, six hundred eighteen million, eight hundred seven thousand, nine hundred ninety-eight".