54161235431 has 2 divisors, whose sum is σ = 54161235432. Its totient is φ = 54161235430.

The previous prime is 54161235421. The next prime is 54161235451. The reversal of 54161235431 is 13453216145.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54161235431 - 2⁶ = 54161235367 is a prime.

It is a super-2 number, since 2×54161235431² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54161235391 and 54161235400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54161235421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27080617715 + 27080617716.

It is an arithmetic number, because the mean of its divisors is an integer number (27080617716).

Almost surely, 2^54161235431 is an apocalyptic number.

54161235431 is a deficient number, since it is larger than the sum of its proper divisors (1).

54161235431 is an equidigital number, since it uses as much as digits as its factorization.

54161235431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 35.

The spelling of 54161235431 in words is "fifty-four billion, one hundred sixty-one million, two hundred thirty-five thousand, four hundred thirty-one".