51553515695353 has 16 divisors (see below), whose sum is σ = 59053957079040. Its totient is φ = 44086992593616.

The previous prime is 51553515695333. The next prime is 51553515695371. The reversal of 51553515695353 is 35359651535515.

It is not a de Polignac number, because 51553515695353 - 2⁹ = 51553515694841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51553515695291 and 51553515695300.

It is not an unprimeable number, because it can be changed into a prime (51553515695303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141492576 + ... + 141856462.

It is an arithmetic number, because the mean of its divisors is an integer number (3690872317440).

Almost surely, 2^{51553515695353} is an apocalyptic number.

It is an amenable number.

51553515695353 is a deficient number, since it is larger than the sum of its proper divisors (7500441383687).

51553515695353 is a wasteful number, since it uses less digits than its factorization.

51553515695353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410436.

The product of its digits is 113906250, while the sum is 61.

The spelling of 51553515695353 in words is "fifty-one trillion, five hundred fifty-three billion, five hundred fifteen million, six hundred ninety-five thousand, three hundred fifty-three".