52505320154 has 48 divisors (see below), whose sum is σ = 93415133088. Its totient is φ = 22061134368.

The previous prime is 52505320141. The next prime is 52505320171. The reversal of 52505320154 is 45102350525.

It is a self number, because there is not a number n which added to its sum of digits gives 52505320154.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8946329 + ... + 8952195.

It is an arithmetic number, because the mean of its divisors is an integer number (1946148606).

Almost surely, 2^52505320154 is an apocalyptic number.

52505320154 is a deficient number, since it is larger than the sum of its proper divisors (40909812934).

52505320154 is a wasteful number, since it uses less digits than its factorization.

52505320154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7659 (or 7652 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

Adding to 52505320154 its reverse (45102350525), we get a palindrome (97607670679).

The spelling of 52505320154 in words is "fifty-two billion, five hundred five million, three hundred twenty thousand, one hundred fifty-four".