540687558 has 8 divisors (see below), whose sum is σ = 1081375128. Its totient is φ = 180229184.

The previous prime is 540687557. The next prime is 540687569. The reversal of 540687558 is 855786045.

It is a sphenic number, since it is the product of 3 distinct primes.

540687558 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540687551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45057291 + ... + 45057302.

It is an arithmetic number, because the mean of its divisors is an integer number (135171891).

Almost surely, 2^540687558 is an apocalyptic number.

540687558 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

540687558 is a wasteful number, since it uses less digits than its factorization.

540687558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90114598.

The product of its (nonzero) digits is 1344000, while the sum is 48.

The square root of 540687558 is about 23252.6892638249. The cubic root of 540687558 is about 814.6707531279.

The spelling of 540687558 in words is "five hundred forty million, six hundred eighty-seven thousand, five hundred fifty-eight".