55045434 has 16 divisors (see below), whose sum is σ = 111418272. Its totient is φ = 18127248.

The previous prime is 55045423. The next prime is 55045447. The reversal of 55045434 is 43454055.

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, 54769 + ... + 55764.

It is an arithmetic number, because the mean of its divisors is an integer number (6963642).

Almost surely, 2^55045434 is an apocalyptic number.

55045434 is an abundant number, since it is smaller than the sum of its proper divisors (56372838).

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

55045434 is a wasteful number, since it uses less digits than its factorization.

55045434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110621.

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 55045434 is about 7419.2610144138. The cubic root of 55045434 is about 380.3999344317.

Adding to 55045434 its reverse (43454055), we get a palindrome (98499489).

The spelling of 55045434 in words is "fifty-five million, forty-five thousand, four hundred thirty-four".