51677574353 has 4 divisors (see below), whose sum is σ = 51678789540. Its totient is φ = 51676359168.

The previous prime is 51677574343. The next prime is 51677574391. The reversal of 51677574353 is 35347577615.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8377374784 + 43300199569 = 91528^2 + 208087^2 .

It is a cyclic number.

It is not a de Polignac number, because 51677574353 - 2²² = 51673380049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51677574295 and 51677574304.

It is not an unprimeable number, because it can be changed into a prime (51677574313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 541400 + ... + 629657.

It is an arithmetic number, because the mean of its divisors is an integer number (12919697385).

Almost surely, 2^51677574353 is an apocalyptic number.

It is an amenable number.

51677574353 is a deficient number, since it is larger than the sum of its proper divisors (1215187).

51677574353 is a wasteful number, since it uses less digits than its factorization.

51677574353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215186.

The product of its digits is 9261000, while the sum is 53.

The spelling of 51677574353 in words is "fifty-one billion, six hundred seventy-seven million, five hundred seventy-four thousand, three hundred fifty-three".