55540304 has 20 divisors (see below), whose sum is σ = 108677940. Its totient is φ = 27494400.

The previous prime is 55540301. The next prime is 55540319. The reversal of 55540304 is 40304555.

It can be written as a sum of positive squares in 2 ways, for example, as 54051904 + 1488400 = 7352^2 + 1220^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55540301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15569 + ... + 18800.

It is an arithmetic number, because the mean of its divisors is an integer number (5433897).

Almost surely, 2^55540304 is an apocalyptic number.

It is an amenable number.

55540304 is a deficient number, since it is larger than the sum of its proper divisors (53137636).

55540304 is a wasteful number, since it uses less digits than its factorization.

55540304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34478 (or 34472 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 55540304 is about 7452.5367493223. The cubic root of 55540304 is about 381.5364936430.

Adding to 55540304 its reverse (40304555), we get a palindrome (95844859).

The spelling of 55540304 in words is "fifty-five million, five hundred forty thousand, three hundred four".