55049458 has 8 divisors (see below), whose sum is σ = 82667952. Its totient is φ = 27493476.

The previous prime is 55049431. The next prime is 55049471. The reversal of 55049458 is 85494055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 55049458.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13360 + ... + 16987.

It is an arithmetic number, because the mean of its divisors is an integer number (10333494).

Almost surely, 2^55049458 is an apocalyptic number.

55049458 is a deficient number, since it is larger than the sum of its proper divisors (27618494).

55049458 is a wasteful number, since it uses less digits than its factorization.

55049458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31256.

The product of its (nonzero) digits is 144000, while the sum is 40.

The square root of 55049458 is about 7419.5321954959. The cubic root of 55049458 is about 380.4092036961.

The spelling of 55049458 in words is "fifty-five million, forty-nine thousand, four hundred fifty-eight".