55511005060531 has 2 divisors, whose sum is σ = 55511005060532. Its totient is φ = 55511005060530.

The previous prime is 55511005060429. The next prime is 55511005060541. The reversal of 55511005060531 is 13506050011555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55511005060531 - 2⁷ = 55511005060403 is a prime.

It is a super-2 number, since 2×55511005060531² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55511005060541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27755502530265 + 27755502530266.

It is an arithmetic number, because the mean of its divisors is an integer number (27755502530266).

Almost surely, 2^{55511005060531} is an apocalyptic number.

55511005060531 is a deficient number, since it is larger than the sum of its proper divisors (1).

55511005060531 is an equidigital number, since it uses as much as digits as its factorization.

55511005060531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56250, while the sum is 37.

The spelling of 55511005060531 in words is "fifty-five trillion, five hundred eleven billion, five million, sixty thousand, five hundred thirty-one".