55499454 has 12 divisors (see below), whose sum is σ = 120248856. Its totient is φ = 18499812.

The previous prime is 55499453. The next prime is 55499459. The reversal of 55499454 is 45499455.

55499454 is a `hidden beast` number, since 554 + 9 + 94 + 5 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55499453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1541634 + ... + 1541669.

It is an arithmetic number, because the mean of its divisors is an integer number (10020738).

Almost surely, 2^55499454 is an apocalyptic number.

55499454 is an abundant number, since it is smaller than the sum of its proper divisors (64749402).

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

55499454 is a wasteful number, since it uses less digits than its factorization.

55499454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3083311 (or 3083308 counting only the distinct ones).

The product of its digits is 648000, while the sum is 45.

The square root of 55499454 is about 7449.7955676649. The cubic root of 55499454 is about 381.4429304266.

Subtracting from 55499454 its reverse (45499455), we obtain a palindrome (9999999).

The spelling of 55499454 in words is "fifty-five million, four hundred ninety-nine thousand, four hundred fifty-four".