55337075637731 has 2 divisors, whose sum is σ = 55337075637732. Its totient is φ = 55337075637730.

The previous prime is 55337075637689. The next prime is 55337075637733. The reversal of 55337075637731 is 13773657073355.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55337075637731 - 2²² = 55337071443427 is a prime.

It is a super-2 number, since 2×55337075637731² (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 55337075637733, 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 (55337075637733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27668537818865 + 27668537818866.

It is an arithmetic number, because the mean of its divisors is an integer number (27668537818866).

Almost surely, 2^{55337075637731} is an apocalyptic number.

55337075637731 is a deficient number, since it is larger than the sum of its proper divisors (1).

55337075637731 is an equidigital number, since it uses as much as digits as its factorization.

55337075637731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145860750, while the sum is 62.

The spelling of 55337075637731 in words is "fifty-five trillion, three hundred thirty-seven billion, seventy-five million, six hundred thirty-seven thousand, seven hundred thirty-one".