55841400731 has 2 divisors, whose sum is σ = 55841400732. Its totient is φ = 55841400730.

The previous prime is 55841400697. The next prime is 55841400733. The reversal of 55841400731 is 13700414855.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55841400731 is a prime.

It is a super-2 number, since 2×55841400731² (a number of 22 digits) contains 22 as substring.

Together with 55841400733, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55841400733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27920700365 + 27920700366.

It is an arithmetic number, because the mean of its divisors is an integer number (27920700366).

Almost surely, 2^55841400731 is an apocalyptic number.

55841400731 is a deficient number, since it is larger than the sum of its proper divisors (1).

55841400731 is an equidigital number, since it uses as much as digits as its factorization.

55841400731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67200, while the sum is 38.

The spelling of 55841400731 in words is "fifty-five billion, eight hundred forty-one million, four hundred thousand, seven hundred thirty-one".