54220986 has 24 divisors (see below), whose sum is σ = 119980224. Its totient is φ = 17688840.

The previous prime is 54220937. The next prime is 54220997. The reversal of 54220986 is 68902245.

It is a happy number.

54220986 is a `hidden beast` number, since 542 + 20 + 98 + 6 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 54220986.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31200 + ... + 32891.

It is an arithmetic number, because the mean of its divisors is an integer number (4999176).

Almost surely, 2^54220986 is an apocalyptic number.

54220986 is an abundant number, since it is smaller than the sum of its proper divisors (65759238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54220986 is a wasteful number, since it uses less digits than its factorization.

54220986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64146 (or 64143 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 54220986 is about 7363.4900692538. The cubic root of 54220986 is about 378.4912149162.

It can be divided in two parts, 542 and 20986, that added together give a triangular number (21528 = T₂₀₇).

The spelling of 54220986 in words is "fifty-four million, two hundred twenty thousand, nine hundred eighty-six".