55485058 has 4 divisors (see below), whose sum is σ = 83227590. Its totient is φ = 27742528.

The previous prime is 55485043. The next prime is 55485061. The reversal of 55485058 is 85058455.

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., 53042089 + 2442969 = 7283^2 + 1563^2 .

It is a super-2 number, since 2×55485058² = 6157183322526728, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 55485058.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13871263 + ... + 13871266.

Almost surely, 2^55485058 is an apocalyptic number.

55485058 is a deficient number, since it is larger than the sum of its proper divisors (27742532).

55485058 is a wasteful number, since it uses less digits than its factorization.

55485058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27742531.

The product of its (nonzero) digits is 160000, while the sum is 40.

The square root of 55485058 is about 7448.8293039913. The cubic root of 55485058 is about 381.4099467550.

The spelling of 55485058 in words is "fifty-five million, four hundred eighty-five thousand, fifty-eight".