55986022 has 4 divisors (see below), whose sum is σ = 83979036. Its totient is φ = 27993010.

The previous prime is 55986013. The next prime is 55986023. The reversal of 55986022 is 22068955.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55986023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13996504 + ... + 13996507.

It is an arithmetic number, because the mean of its divisors is an integer number (20994759).

Almost surely, 2^55986022 is an apocalyptic number.

55986022 is a deficient number, since it is larger than the sum of its proper divisors (27993014).

55986022 is a wasteful number, since it uses less digits than its factorization.

55986022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27993013.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 55986022 is about 7482.3807708509. The cubic root of 55986022 is about 382.5544018198.

The spelling of 55986022 in words is "fifty-five million, nine hundred eighty-six thousand, twenty-two".