55372000320 has 672 divisors, whose sum is σ = 238447722240. Its totient is φ = 11481661440.

The previous prime is 55372000303. The next prime is 55372000331. The reversal of 55372000320 is 2300027355.

It is a tau number, because it is divible by the number of its divisors (672).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15460930 + ... + 15464510.

It is an arithmetic number, because the mean of its divisors is an integer number (354832920).

Almost surely, 2^55372000320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55372000320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119223861120).

55372000320 is an abundant number, since it is smaller than the sum of its proper divisors (183075721920).

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

55372000320 is a wasteful number, since it uses less digits than its factorization.

55372000320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3683 (or 3670 counting only the distinct ones).

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

Adding to 55372000320 its reverse (2300027355), we get a palindrome (57672027675).

The spelling of 55372000320 in words is "fifty-five billion, three hundred seventy-two million, three hundred twenty", and thus it is an aban number.