55448858 has 4 divisors (see below), whose sum is σ = 83173290. Its totient is φ = 27724428.

The previous prime is 55448857. The next prime is 55448867. The reversal of 55448858 is 85884455.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 51595489 + 3853369 = 7183^2 + 1963^2 .

It is not an unprimeable number, because it can be changed into a prime (55448857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13862213 + ... + 13862216.

Almost surely, 2^55448858 is an apocalyptic number.

55448858 is a deficient number, since it is larger than the sum of its proper divisors (27724432).

55448858 is a wasteful number, since it uses less digits than its factorization.

55448858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27724431.

The product of its digits is 1024000, while the sum is 47.

The square root of 55448858 is about 7446.3989954877. The cubic root of 55448858 is about 381.3269812122.

The spelling of 55448858 in words is "fifty-five million, four hundred forty-eight thousand, eight hundred fifty-eight".