55370304 has 140 divisors (see below), whose sum is σ = 179240688. Its totient is φ = 16761600.

The previous prime is 55370303. The next prime is 55370311. The reversal of 55370304 is 40307355.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (55370303) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 56539 + ... + 57509.

Almost surely, 2^55370304 is an apocalyptic number.

55370304 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55370304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89620344).

55370304 is an abundant number, since it is smaller than the sum of its proper divisors (123870384).

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

55370304 is a wasteful number, since it uses less digits than its factorization.

55370304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006 (or 987 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 27.

The square root of 55370304 is about 7441.1224959679. The cubic root of 55370304 is about 381.1468217075.

Adding to 55370304 its reverse (40307355), we get a palindrome (95677659).

The spelling of 55370304 in words is "fifty-five million, three hundred seventy thousand, three hundred four".