55390082 has 16 divisors (see below), whose sum is σ = 91917504. Its totient is φ = 24822000.

The previous prime is 55390061. The next prime is 55390091. The reversal of 55390082 is 28009355.

It is a happy number.

55390082 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55390082² = 6136122367933448, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16169 + ... + 19292.

It is an arithmetic number, because the mean of its divisors is an integer number (5744844).

Almost surely, 2^55390082 is an apocalyptic number.

55390082 is a deficient number, since it is larger than the sum of its proper divisors (36527422).

55390082 is a wasteful number, since it uses less digits than its factorization.

55390082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35545.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 55390082 is about 7442.4513434755. The cubic root of 55390082 is about 381.1921975613.

The spelling of 55390082 in words is "fifty-five million, three hundred ninety thousand, eighty-two".