55430304 has 24 divisors (see below), whose sum is σ = 145504800. Its totient is φ = 18476736.

The previous prime is 55430279. The next prime is 55430321. The reversal of 55430304 is 40303455.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 288604 + ... + 288795.

It is an arithmetic number, because the mean of its divisors is an integer number (6062700).

Almost surely, 2^55430304 is an apocalyptic number.

It is an amenable number.

55430304 is an abundant number, since it is smaller than the sum of its proper divisors (90074496).

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

55430304 is a wasteful number, since it uses less digits than its factorization.

55430304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577412 (or 577404 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 55430304 is about 7445.1530541689. The cubic root of 55430304 is about 381.2844439364.

Adding to 55430304 its reverse (40303455), we get a palindrome (95733759).

The spelling of 55430304 in words is "fifty-five million, four hundred thirty thousand, three hundred four".