55448862 has 16 divisors (see below), whose sum is σ = 126740352. Its totient is φ = 15842520.

The previous prime is 55448857. The next prime is 55448867. The reversal of 55448862 is 26884455.

55448862 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55448857) and next prime (55448867).

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 1320211 = 55448862 / (5 + 5 + 4 + 4 + 8 + 8 + 6 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55448867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 660064 + ... + 660147.

It is an arithmetic number, because the mean of its divisors is an integer number (7921272).

Almost surely, 2^55448862 is an apocalyptic number.

55448862 is an abundant number, since it is smaller than the sum of its proper divisors (71291490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55448862 is a wasteful number, since it uses less digits than its factorization.

55448862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320223.

The product of its digits is 307200, while the sum is 42.

The square root of 55448862 is about 7446.3992640739. The cubic root of 55448862 is about 381.3269903817.

The spelling of 55448862 in words is "fifty-five million, four hundred forty-eight thousand, eight hundred sixty-two".