55795779 has 12 divisors (see below), whose sum is σ = 86793616. Its totient is φ = 34335792.

The previous prime is 55795771. The next prime is 55795781. The reversal of 55795779 is 97759755.

It is not a de Polignac number, because 55795779 - 2³ = 55795771 is a prime.

It is a super-2 number, since 2×55795779² = 6226337908433682, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55795771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 238327 + ... + 238560.

Almost surely, 2^55795779 is an apocalyptic number.

55795779 is a deficient number, since it is larger than the sum of its proper divisors (30997837).

55795779 is a wasteful number, since it uses less digits than its factorization.

55795779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476906 (or 476903 counting only the distinct ones).

The product of its digits is 3472875, while the sum is 54.

The square root of 55795779 is about 7469.6572210510. The cubic root of 55795779 is about 382.1205977793.

The spelling of 55795779 in words is "fifty-five million, seven hundred ninety-five thousand, seven hundred seventy-nine".