55448494 has 16 divisors (see below), whose sum is σ = 84978720. Its totient is φ = 27125280.

The previous prime is 55448483. The next prime is 55448507. The reversal of 55448494 is 49484455.

It is a self number, because there is not a number n which added to its sum of digits gives 55448494.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66472 + ... + 67300.

It is an arithmetic number, because the mean of its divisors is an integer number (5311170).

Almost surely, 2^55448494 is an apocalyptic number.

55448494 is a deficient number, since it is larger than the sum of its proper divisors (29530226).

55448494 is a wasteful number, since it uses less digits than its factorization.

55448494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1515.

The product of its digits is 460800, while the sum is 43.

The square root of 55448494 is about 7446.3745541035. The cubic root of 55448494 is about 381.3261467897.

The spelling of 55448494 in words is "fifty-five million, four hundred forty-eight thousand, four hundred ninety-four".