555701328 has 120 divisors (see below), whose sum is σ = 1914127488. Its totient is φ = 146555136.

The previous prime is 555701323. The next prime is 555701339. The reversal of 555701328 is 823107555.

555701328 is a `hidden beast` number, since 55 + 570 + 1 + 32 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 555701292 and 555701301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555701323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8100 + ... + 34307.

Almost surely, 2^555701328 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 555701328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (957063744).

555701328 is an abundant number, since it is smaller than the sum of its proper divisors (1358426160).

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

555701328 is a wasteful number, since it uses less digits than its factorization.

555701328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42441 (or 42432 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 36.

The square root of 555701328 is about 23573.3181372500. The cubic root of 555701328 is about 822.1425863082.

The spelling of 555701328 in words is "five hundred fifty-five million, seven hundred one thousand, three hundred twenty-eight".