55432554 has 8 divisors (see below), whose sum is σ = 110865120. Its totient is φ = 18477516.

The previous prime is 55432523. The next prime is 55432571. The reversal of 55432554 is 45523455.

It is a sphenic number, since it is the product of 3 distinct primes.

55432554 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4619374 + ... + 4619385.

It is an arithmetic number, because the mean of its divisors is an integer number (13858140).

Almost surely, 2^55432554 is an apocalyptic number.

55432554 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55432554 is a wasteful number, since it uses less digits than its factorization.

55432554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9238764.

The product of its digits is 60000, while the sum is 33.

The square root of 55432554 is about 7445.3041576553. The cubic root of 55432554 is about 381.2896028376.

Subtracting from 55432554 its reverse (45523455), we obtain a palindrome (9909099).

The spelling of 55432554 in words is "fifty-five million, four hundred thirty-two thousand, five hundred fifty-four".