55423446 has 16 divisors (see below), whose sum is σ = 119373744. Its totient is φ = 17053344.

The previous prime is 55423439. The next prime is 55423453. The reversal of 55423446 is 64432455.

It is an interprime number because it is at equal distance from previous prime (55423439) and next prime (55423453).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355201 + ... + 355356.

It is an arithmetic number, because the mean of its divisors is an integer number (7460859).

Almost surely, 2^55423446 is an apocalyptic number.

55423446 is an abundant number, since it is smaller than the sum of its proper divisors (63950298).

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

55423446 is a wasteful number, since it uses less digits than its factorization.

55423446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710575.

The product of its digits is 57600, while the sum is 33.

The square root of 55423446 is about 7444.6924718218. The cubic root of 55423446 is about 381.2687187441.

Subtracting 55423446 from its reverse (64432455), we obtain a palindrome (9009009).

The spelling of 55423446 in words is "fifty-five million, four hundred twenty-three thousand, four hundred forty-six".