55292986 has 16 divisors (see below), whose sum is σ = 94884480. Its totient is φ = 23672880.

The previous prime is 55292981. The next prime is 55292987. The reversal of 55292986 is 68929255.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (55292981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22771 + ... + 25081.

It is an arithmetic number, because the mean of its divisors is an integer number (5930280).

Almost surely, 2^55292986 is an apocalyptic number.

55292986 is a deficient number, since it is larger than the sum of its proper divisors (39591494).

55292986 is a wasteful number, since it uses less digits than its factorization.

55292986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4029.

The product of its digits is 388800, while the sum is 46.

The square root of 55292986 is about 7435.9253627239. The cubic root of 55292986 is about 380.9693304329.

It can be divided in two parts, 5529 and 2986, that added together give a triangular number (8515 = T₁₃₀).

The spelling of 55292986 in words is "fifty-five million, two hundred ninety-two thousand, nine hundred eighty-six".