53251501504365 has 32 divisors (see below), whose sum is σ = 94672866608640. Its totient is φ = 28399741622208.

The previous prime is 53251501504343. The next prime is 53251501504387. The reversal of 53251501504365 is 56340510515235.

53251501504365 is a `hidden beast` number, since 5 + 3 + 2 + 51 + 501 + 50 + 43 + 6 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (53251501504343) and next prime (53251501504387).

It is not a de Polignac number, because 53251501504365 - 2¹² = 53251501500269 is a prime.

It is a super-2 number, since 2×53251501504365² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 53251501504365.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3715482 + ... + 10968491.

It is an arithmetic number, because the mean of its divisors is an integer number (2958527081520).

Almost surely, 2^{53251501504365} is an apocalyptic number.

It is an amenable number.

53251501504365 is a deficient number, since it is larger than the sum of its proper divisors (41421365104275).

53251501504365 is a wasteful number, since it uses less digits than its factorization.

53251501504365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14710850 (or 14710844 counting only the distinct ones).

The product of its (nonzero) digits is 1350000, while the sum is 45.

The spelling of 53251501504365 in words is "fifty-three trillion, two hundred fifty-one billion, five hundred one million, five hundred four thousand, three hundred sixty-five".