51377382983 has 4 divisors (see below), whose sum is σ = 54399582000. Its totient is φ = 48355183968.

The previous prime is 51377382977. The next prime is 51377382997. The reversal of 51377382983 is 38928377315.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38928377315 = 5 ⋅7785675463.

It is a cyclic number.

It is not a de Polignac number, because 51377382983 - 2⁴ = 51377382967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51377382943) 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, 1511099483 + ... + 1511099516.

It is an arithmetic number, because the mean of its divisors is an integer number (13599895500).

Almost surely, 2^51377382983 is an apocalyptic number.

51377382983 is a deficient number, since it is larger than the sum of its proper divisors (3022199017).

51377382983 is a wasteful number, since it uses less digits than its factorization.

51377382983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3022199016.

The product of its digits is 7620480, while the sum is 56.

The spelling of 51377382983 in words is "fifty-one billion, three hundred seventy-seven million, three hundred eighty-two thousand, nine hundred eighty-three".