55867965 has 32 divisors (see below), whose sum is σ = 93979776. Its totient is φ = 28304640.

The previous prime is 55867951. The next prime is 55867969. The reversal of 55867965 is 56976855.

It is not a de Polignac number, because 55867965 - 2⁷ = 55867837 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55867969) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22695 + ... + 25035.

It is an arithmetic number, because the mean of its divisors is an integer number (2936868).

Almost surely, 2^55867965 is an apocalyptic number.

It is an amenable number.

55867965 is a deficient number, since it is larger than the sum of its proper divisors (38111811).

55867965 is a wasteful number, since it uses less digits than its factorization.

55867965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2429.

The product of its digits is 2268000, while the sum is 51.

The square root of 55867965 is about 7474.4876078565. The cubic root of 55867965 is about 382.2853167537.

The spelling of 55867965 in words is "fifty-five million, eight hundred sixty-seven thousand, nine hundred sixty-five".