55025545031 has 2 divisors, whose sum is σ = 55025545032. Its totient is φ = 55025545030.

The previous prime is 55025544989. The next prime is 55025545049. The reversal of 55025545031 is 13054552055.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55025545031 is a prime.

It is a super-2 number, since 2×55025545031² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55025544982 and 55025545000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55025545051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27512772515 + 27512772516.

It is an arithmetic number, because the mean of its divisors is an integer number (27512772516).

Almost surely, 2^55025545031 is an apocalyptic number.

55025545031 is a deficient number, since it is larger than the sum of its proper divisors (1).

55025545031 is an equidigital number, since it uses as much as digits as its factorization.

55025545031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75000, while the sum is 35.

The spelling of 55025545031 in words is "fifty-five billion, twenty-five million, five hundred forty-five thousand, thirty-one".