51355316051553 has 8 divisors (see below), whose sum is σ = 72501622661088. Its totient is φ = 32222943404864.

The previous prime is 51355316051551. The next prime is 51355316051597. The reversal of 51355316051553 is 35515061355315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51355316051553 - 2¹ = 51355316051551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51355316051551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 503483490651 + ... + 503483490752.

It is an arithmetic number, because the mean of its divisors is an integer number (9062702832636).

Almost surely, 2^{51355316051553} is an apocalyptic number.

It is an amenable number.

51355316051553 is a deficient number, since it is larger than the sum of its proper divisors (21146306609535).

51355316051553 is a wasteful number, since it uses less digits than its factorization.

51355316051553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006966981423.

The product of its (nonzero) digits is 2531250, while the sum is 48.

The spelling of 51355316051553 in words is "fifty-one trillion, three hundred fifty-five billion, three hundred sixteen million, fifty-one thousand, five hundred fifty-three".