55445304 has 16 divisors (see below), whose sum is σ = 138613320. Its totient is φ = 18481760.

The previous prime is 55445239. The next prime is 55445311. The reversal of 55445304 is 40354455.

It is a congruent 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, 1155087 + ... + 1155134.

Almost surely, 2^55445304 is an apocalyptic number.

It is an amenable number.

55445304 is an abundant number, since it is smaller than the sum of its proper divisors (83168016).

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

55445304 is a wasteful number, since it uses less digits than its factorization.

55445304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2310230 (or 2310226 counting only the distinct ones).

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

The square root of 55445304 is about 7446.1603528261. The cubic root of 55445304 is about 381.3188339747.

Adding to 55445304 its reverse (40354455), we get a palindrome (95799759).

The spelling of 55445304 in words is "fifty-five million, four hundred forty-five thousand, three hundred four".