55627959779 has 8 divisors (see below), whose sum is σ = 64204265568. Its totient is φ = 47209017600.

The previous prime is 55627959757. The next prime is 55627959799. The reversal of 55627959779 is 97795972655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55627959779 - 2⁸ = 55627959523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55627959719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39340142 + ... + 39341555.

It is an arithmetic number, because the mean of its divisors is an integer number (8025533196).

Almost surely, 2^55627959779 is an apocalyptic number.

55627959779 is a deficient number, since it is larger than the sum of its proper divisors (8576305789).

55627959779 is a wasteful number, since it uses less digits than its factorization.

55627959779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78681805.

The product of its digits is 375070500, while the sum is 71.

The spelling of 55627959779 in words is "fifty-five billion, six hundred twenty-seven million, nine hundred fifty-nine thousand, seven hundred seventy-nine".