55514531 has 2 divisors, whose sum is σ = 55514532. Its totient is φ = 55514530.

The previous prime is 55514513. The next prime is 55514539. The reversal of 55514531 is 13541555.

Together with previous prime (55514513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55514531 is a prime.

It is a super-2 number, since 2×55514531² = 6163726304299922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 55514494 and 55514503.

It is not a weakly prime, because it can be changed into another prime (55514539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27757265 + 27757266.

It is an arithmetic number, because the mean of its divisors is an integer number (27757266).

Almost surely, 2^55514531 is an apocalyptic number.

55514531 is a deficient number, since it is larger than the sum of its proper divisors (1).

55514531 is an equidigital number, since it uses as much as digits as its factorization.

55514531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7500, while the sum is 29.

The square root of 55514531 is about 7450.8074059125. The cubic root of 55514531 is about 381.4774682700.

The spelling of 55514531 in words is "fifty-five million, five hundred fourteen thousand, five hundred thirty-one".