55448415 has 32 divisors (see below), whose sum is σ = 107539200. Its totient is φ = 26883360.

The previous prime is 55448389. The next prime is 55448431. The reversal of 55448415 is 51484455.

It is a happy number.

It is not a de Polignac number, because 55448415 - 2⁵ = 55448383 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55448415.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17185 + ... + 20154.

It is an arithmetic number, because the mean of its divisors is an integer number (3360600).

Almost surely, 2^55448415 is an apocalyptic number.

55448415 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55448415 is a deficient number, since it is larger than the sum of its proper divisors (52090785).

55448415 is a wasteful number, since it uses less digits than its factorization.

55448415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37364 (or 37358 counting only the distinct ones).

The product of its digits is 64000, while the sum is 36.

The square root of 55448415 is about 7446.3692495068. The cubic root of 55448415 is about 381.3259656920.

The spelling of 55448415 in words is "fifty-five million, four hundred forty-eight thousand, four hundred fifteen".