53051500643516 has 24 divisors (see below), whose sum is σ = 96408831031296. Its totient is φ = 25516367886960.

The previous prime is 53051500643501. The next prime is 53051500643549. The reversal of 53051500643516 is 61534600515035.

It is a happy number.

It is a super-3 number, since 3×53051500643516³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 1280921456 + ... + 1280962871.

It is an arithmetic number, because the mean of its divisors is an integer number (4017034626304).

Almost surely, 2^{53051500643516} is an apocalyptic number.

It is an amenable number.

53051500643516 is a deficient number, since it is larger than the sum of its proper divisors (43357330387780).

53051500643516 is a wasteful number, since it uses less digits than its factorization.

53051500643516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2561884529 (or 2561884527 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 44.

The spelling of 53051500643516 in words is "fifty-three trillion, fifty-one billion, five hundred million, six hundred forty-three thousand, five hundred sixteen".