55200434 has 16 divisors (see below), whose sum is σ = 87964800. Its totient is φ = 25905744.

The previous prime is 55200407. The next prime is 55200443. The reversal of 55200434 is 43400255.

It is a Curzon 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, 2522 + ... + 10805.

It is an arithmetic number, because the mean of its divisors is an integer number (5497800).

Almost surely, 2^55200434 is an apocalyptic number.

55200434 is a deficient number, since it is larger than the sum of its proper divisors (32764366).

55200434 is a wasteful number, since it uses less digits than its factorization.

55200434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13457.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 55200434 is about 7429.6994555635. The cubic root of 55200434 is about 380.7566502642.

Adding to 55200434 its reverse (43400255), we get a palindrome (98600689).

The spelling of 55200434 in words is "fifty-five million, two hundred thousand, four hundred thirty-four".