555779400 has 192 divisors, whose sum is σ = 1899521280. Its totient is φ = 133305600.

The previous prime is 555779363. The next prime is 555779417. The reversal of 555779400 is 4977555.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 705807 + ... + 706593.

It is an arithmetic number, because the mean of its divisors is an integer number (9893340).

Almost surely, 2^555779400 is an apocalyptic number.

555779400 is a gapful number since it is divisible by the number (50) 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 555779400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (949760640).

555779400 is an abundant number, since it is smaller than the sum of its proper divisors (1343741880).

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

555779400 is a wasteful number, since it uses less digits than its factorization.

555779400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924 (or 915 counting only the distinct ones).

The product of its (nonzero) digits is 220500, while the sum is 42.

The square root of 555779400 is about 23574.9740190737. The cubic root of 555779400 is about 822.1810861924.

The spelling of 555779400 in words is "five hundred fifty-five million, seven hundred seventy-nine thousand, four hundred".