55577110487 has 2 divisors, whose sum is σ = 55577110488. Its totient is φ = 55577110486.

The previous prime is 55577110471. The next prime is 55577110489. The reversal of 55577110487 is 78401177555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55577110487 - 2⁴ = 55577110471 is a prime.

Together with 55577110489, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55577110489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27788555243 + 27788555244.

It is an arithmetic number, because the mean of its divisors is an integer number (27788555244).

Almost surely, 2^55577110487 is an apocalyptic number.

55577110487 is a deficient number, since it is larger than the sum of its proper divisors (1).

55577110487 is an equidigital number, since it uses as much as digits as its factorization.

55577110487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1372000, while the sum is 50.

The spelling of 55577110487 in words is "fifty-five billion, five hundred seventy-seven million, one hundred ten thousand, four hundred eighty-seven".