555511940 has 24 divisors (see below), whose sum is σ = 1204207872. Its totient is φ = 215036640.

The previous prime is 555511927. The next prime is 555511951. The reversal of 555511940 is 49115555.

It is a self number, because there is not a number n which added to its sum of digits gives 555511940.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 447374 + ... + 448613.

It is an arithmetic number, because the mean of its divisors is an integer number (50175328).

Almost surely, 2^555511940 is an apocalyptic number.

It is an amenable number.

555511940 is an abundant number, since it is smaller than the sum of its proper divisors (648695932).

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

555511940 is a wasteful number, since it uses less digits than its factorization.

555511940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896027 (or 896025 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 35.

The square root of 555511940 is about 23569.3007957385. The cubic root of 555511940 is about 822.0491778385.

The spelling of 555511940 in words is "five hundred fifty-five million, five hundred eleven thousand, nine hundred forty".