51477165343 has 16 divisors (see below), whose sum is σ = 54717209280. Its totient is φ = 48336051456.

The previous prime is 51477165307. The next prime is 51477165353. The reversal of 51477165343 is 34356177415.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 51477165343 - 2²¹ = 51475068191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51477165293 and 51477165302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51477165353) 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, 2540430 + ... + 2560612.

It is an arithmetic number, because the mean of its divisors is an integer number (3419825580).

Almost surely, 2^51477165343 is an apocalyptic number.

51477165343 is a deficient number, since it is larger than the sum of its proper divisors (3240043937).

51477165343 is a wasteful number, since it uses less digits than its factorization.

51477165343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22626.

The product of its digits is 1058400, while the sum is 46.

The spelling of 51477165343 in words is "fifty-one billion, four hundred seventy-seven million, one hundred sixty-five thousand, three hundred forty-three".