55757629650031 has 2 divisors, whose sum is σ = 55757629650032. Its totient is φ = 55757629650030.

The previous prime is 55757629650029. The next prime is 55757629650059. The reversal of 55757629650031 is 13005692675755.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55757629650031 - 2¹ = 55757629650029 is a prime.

It is a super-2 number, since 2×55757629650031² (a number of 28 digits) contains 22 as substring.

Together with 55757629650029, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55757629650091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27878814825015 + 27878814825016.

It is an arithmetic number, because the mean of its divisors is an integer number (27878814825016).

Almost surely, 2^{55757629650031} is an apocalyptic number.

55757629650031 is a deficient number, since it is larger than the sum of its proper divisors (1).

55757629650031 is an equidigital number, since it uses as much as digits as its factorization.

55757629650031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 59535000, while the sum is 61.

The spelling of 55757629650031 in words is "fifty-five trillion, seven hundred fifty-seven billion, six hundred twenty-nine million, six hundred fifty thousand, thirty-one".