55868454 has 40 divisors (see below), whose sum is σ = 125888400. Its totient is φ = 18518544.

The previous prime is 55868441. The next prime is 55868467. The reversal of 55868454 is 45486855.

55868454 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 (55868441) and next prime (55868467).

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 31372 + ... + 33104.

It is an arithmetic number, because the mean of its divisors is an integer number (3147210).

Almost surely, 2^55868454 is an apocalyptic number.

55868454 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 55868454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62944200).

55868454 is an abundant number, since it is smaller than the sum of its proper divisors (70019946).

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

55868454 is a wasteful number, since it uses less digits than its factorization.

55868454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1946 (or 1937 counting only the distinct ones).

The product of its digits is 768000, while the sum is 45.

The square root of 55868454 is about 7474.5203190573. The cubic root of 55868454 is about 382.2864321035.

The spelling of 55868454 in words is "fifty-five million, eight hundred sixty-eight thousand, four hundred fifty-four".