55667897416 has 16 divisors (see below), whose sum is σ = 107198316540. Its totient is φ = 27081679680.

The previous prime is 55667897413. The next prime is 55667897431. The reversal of 55667897416 is 61479876655.

It can be written as a sum of positive squares in 2 ways, for example, as 42125920516 + 13541976900 = 205246^2 + 116370^2 .

It is not an unprimeable number, because it can be changed into a prime (55667897413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94033315 + ... + 94033906.

Almost surely, 2^55667897416 is an apocalyptic number.

It is an amenable number.

55667897416 is a deficient number, since it is larger than the sum of its proper divisors (51530419124).

55667897416 is a wasteful number, since it uses less digits than its factorization.

55667897416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188067264 (or 188067260 counting only the distinct ones).

The product of its digits is 76204800, while the sum is 64.

The spelling of 55667897416 in words is "fifty-five billion, six hundred sixty-seven million, eight hundred ninety-seven thousand, four hundred sixteen".