55246590 has 64 divisors (see below), whose sum is σ = 168376320. Its totient is φ = 12627360.

The previous prime is 55246589. The next prime is 55246603. The reversal of 55246590 is 9564255.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12726 + ... + 16505.

It is an arithmetic number, because the mean of its divisors is an integer number (2630880).

Almost surely, 2^55246590 is an apocalyptic number.

55246590 is an abundant number, since it is smaller than the sum of its proper divisors (113129730).

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

55246590 is a wasteful number, since it uses less digits than its factorization.

55246590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29254 (or 29248 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 55246590 is about 7432.8049886971. The cubic root of 55246590 is about 380.8627442850.

The spelling of 55246590 in words is "fifty-five million, two hundred forty-six thousand, five hundred ninety".