555515040 has 192 divisors, whose sum is σ = 1856977920. Its totient is φ = 139345920.

The previous prime is 555515017. The next prime is 555515047. The reversal of 555515040 is 40515555.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 555514989 and 555515007.

It is not an unprimeable number, because it can be changed into a prime (555515047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 550056 + ... + 551064.

It is an arithmetic number, because the mean of its divisors is an integer number (9671760).

Almost surely, 2^555515040 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 555515040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (928488960).

555515040 is an abundant number, since it is smaller than the sum of its proper divisors (1301462880).

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

555515040 is a wasteful number, since it uses less digits than its factorization.

555515040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095 (or 1087 counting only the distinct ones).

The product of its (nonzero) digits is 12500, while the sum is 30.

The square root of 555515040 is about 23569.3665591589. The cubic root of 555515040 is about 822.0507069672.

The spelling of 555515040 in words is "five hundred fifty-five million, five hundred fifteen thousand, forty".