540055626 has 64 divisors (see below), whose sum is σ = 1281432960. Its totient is φ = 149852160.

The previous prime is 540055597. The next prime is 540055687. The reversal of 540055626 is 626550045.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35010 + ... + 48018.

It is an arithmetic number, because the mean of its divisors is an integer number (20022390).

Almost surely, 2^540055626 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 540055626, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (640716480).

540055626 is an abundant number, since it is smaller than the sum of its proper divisors (741377334).

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

540055626 is a wasteful number, since it uses less digits than its factorization.

540055626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13079.

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 540055626 is about 23239.0969273765. The cubic root of 540055626 is about 814.3532455359.

The spelling of 540055626 in words is "five hundred forty million, fifty-five thousand, six hundred twenty-six".