555001540 has 12 divisors (see below), whose sum is σ = 1165503276. Its totient is φ = 222000608.

The previous prime is 555001501. The next prime is 555001541. The reversal of 555001540 is 45100555.

It can be written as a sum of positive squares in 2 ways, for example, as 432057796 + 122943744 = 20786^2 + 11088^2 .

It is not an unprimeable number, because it can be changed into a prime (555001541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13875019 + ... + 13875058.

It is an arithmetic number, because the mean of its divisors is an integer number (97125273).

Almost surely, 2^555001540 is an apocalyptic number.

It is an amenable number.

555001540 is an abundant number, since it is smaller than the sum of its proper divisors (610501736).

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

555001540 is a wasteful number, since it uses less digits than its factorization.

555001540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27750086 (or 27750084 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 555001540 is about 23558.4706634365. The cubic root of 555001540 is about 821.7973365871.

The spelling of 555001540 in words is "five hundred fifty-five million, one thousand, five hundred forty".