54823261931 has 2 divisors, whose sum is σ = 54823261932. Its totient is φ = 54823261930.

The previous prime is 54823261861. The next prime is 54823261963. The reversal of 54823261931 is 13916232845.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54823261931 is a prime.

It is a super-2 number, since 2×54823261931² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54823261981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27411630965 + 27411630966.

It is an arithmetic number, because the mean of its divisors is an integer number (27411630966).

Almost surely, 2^54823261931 is an apocalyptic number.

54823261931 is a deficient number, since it is larger than the sum of its proper divisors (1).

54823261931 is an equidigital number, since it uses as much as digits as its factorization.

54823261931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 44.

The spelling of 54823261931 in words is "fifty-four billion, eight hundred twenty-three million, two hundred sixty-one thousand, nine hundred thirty-one".