55623304 has 16 divisors (see below), whose sum is σ = 113775120. Its totient is φ = 25283280.

The previous prime is 55623301. The next prime is 55623307. The reversal of 55623304 is 40332655.

It is an interprime number because it is at equal distance from previous prime (55623301) and next prime (55623307).

It is not an unprimeable number, because it can be changed into a prime (55623301) 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, 315954 + ... + 316129.

It is an arithmetic number, because the mean of its divisors is an integer number (7110945).

Almost surely, 2^55623304 is an apocalyptic number.

It is an amenable number.

55623304 is an abundant number, since it is smaller than the sum of its proper divisors (58151816).

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

55623304 is a wasteful number, since it uses less digits than its factorization.

55623304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632100 (or 632096 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 55623304 is about 7458.1032441231. The cubic root of 55623304 is about 381.7264563968.

Adding to 55623304 its reverse (40332655), we get a palindrome (95955959).

The spelling of 55623304 in words is "fifty-five million, six hundred twenty-three thousand, three hundred four".