555790840 has 64 divisors (see below), whose sum is σ = 1383505920. Its totient is φ = 199248000.

The previous prime is 555790819. The next prime is 555790861. The reversal of 555790840 is 48097555.

555790840 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (555790819) and next prime (555790861).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22345 + ... + 40135.

It is an arithmetic number, because the mean of its divisors is an integer number (21617280).

Almost surely, 2^555790840 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 555790840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (691752960).

555790840 is an abundant number, since it is smaller than the sum of its proper divisors (827715080).

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

555790840 is a wasteful number, since it uses less digits than its factorization.

555790840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17884 (or 17880 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 43.

The square root of 555790840 is about 23575.2166479971. The cubic root of 555790840 is about 822.1867273317.

The spelling of 555790840 in words is "five hundred fifty-five million, seven hundred ninety thousand, eight hundred forty".