55422546 has 16 divisors (see below), whose sum is σ = 111719424. Its totient is φ = 18328464.

The previous prime is 55422491. The next prime is 55422551. The reversal of 55422546 is 64522455.

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, 35605 + ... + 37128.

It is an arithmetic number, because the mean of its divisors is an integer number (6982464).

Almost surely, 2^55422546 is an apocalyptic number.

55422546 is an abundant number, since it is smaller than the sum of its proper divisors (56296878).

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

55422546 is a wasteful number, since it uses less digits than its factorization.

55422546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72865.

The product of its digits is 48000, while the sum is 33.

The square root of 55422546 is about 7444.6320258291. The cubic root of 55422546 is about 381.2666549743.

Subtracting 55422546 from its reverse (64522455), we obtain a palindrome (9099909).

The spelling of 55422546 in words is "fifty-five million, four hundred twenty-two thousand, five hundred forty-six".