54002513657236 has 6 divisors (see below), whose sum is σ = 94504398900170. Its totient is φ = 27001256828616.

The previous prime is 54002513657221. The next prime is 54002513657249. The reversal of 54002513657236 is 63275631520045.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 45207469322500 + 8795044334736 = 6723650^2 + 2965644^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 54002513657236.

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, 6750314207151 + ... + 6750314207158.

Almost surely, 2^{54002513657236} is an apocalyptic number.

It is an amenable number.

54002513657236 is a deficient number, since it is larger than the sum of its proper divisors (40501885242934).

54002513657236 is a wasteful number, since it uses less digits than its factorization.

54002513657236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13500628414313 (or 13500628414311 counting only the distinct ones).

The product of its (nonzero) digits is 4536000, while the sum is 49.

The spelling of 54002513657236 in words is "fifty-four trillion, two billion, five hundred thirteen million, six hundred fifty-seven thousand, two hundred thirty-six".