55910131 has 2 divisors, whose sum is σ = 55910132. Its totient is φ = 55910130.

The previous prime is 55910083. The next prime is 55910137. The reversal of 55910131 is 13101955.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55910131 is a prime.

It is a super-2 number, since 2×55910131² = 6251885496874322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55910096 and 55910105.

It is not a weakly prime, because it can be changed into another prime (55910137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27955065 + 27955066.

It is an arithmetic number, because the mean of its divisors is an integer number (27955066).

Almost surely, 2^55910131 is an apocalyptic number.

55910131 is a deficient number, since it is larger than the sum of its proper divisors (1).

55910131 is an equidigital number, since it uses as much as digits as its factorization.

55910131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 675, while the sum is 25.

The square root of 55910131 is about 7477.3077374146. The cubic root of 55910131 is about 382.3814683916.

The spelling of 55910131 in words is "fifty-five million, nine hundred ten thousand, one hundred thirty-one".