55657304519 has 2 divisors, whose sum is σ = 55657304520. Its totient is φ = 55657304518.

The previous prime is 55657304503. The next prime is 55657304537. The reversal of 55657304519 is 91540375655.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55657304519 - 2⁴ = 55657304503 is a prime.

It is a super-2 number, since 2×55657304519² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55651304519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27828652259 + 27828652260.

It is an arithmetic number, because the mean of its divisors is an integer number (27828652260).

Almost surely, 2^55657304519 is an apocalyptic number.

55657304519 is a deficient number, since it is larger than the sum of its proper divisors (1).

55657304519 is an equidigital number, since it uses as much as digits as its factorization.

55657304519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2835000, while the sum is 50.

The spelling of 55657304519 in words is "fifty-five billion, six hundred fifty-seven million, three hundred four thousand, five hundred nineteen".