55884965 has 4 divisors (see below), whose sum is σ = 67061964. Its totient is φ = 44707968.

The previous prime is 55884929. The next prime is 55884973. The reversal of 55884965 is 56948855.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56948855 = 5 ⋅11389771.

It can be written as a sum of positive squares in 2 ways, for example, as 11142244 + 44742721 = 3338^2 + 6689^2 .

It is a cyclic number.

It is not a de Polignac number, because 55884965 - 2¹⁰ = 55883941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5588492 + ... + 5588501.

It is an arithmetic number, because the mean of its divisors is an integer number (16765491).

Almost surely, 2^55884965 is an apocalyptic number.

It is an amenable number.

55884965 is a deficient number, since it is larger than the sum of its proper divisors (11176999).

55884965 is a wasteful number, since it uses less digits than its factorization.

55884965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11176998.

The product of its digits is 1728000, while the sum is 50.

The square root of 55884965 is about 7475.6247230583. The cubic root of 55884965 is about 382.3240878772.

The spelling of 55884965 in words is "fifty-five million, eight hundred eighty-four thousand, nine hundred sixty-five".