540055625 has 20 divisors (see below), whose sum is σ = 676311636. Its totient is φ = 431112000.

The previous prime is 540055597. The next prime is 540055687. The reversal of 540055625 is 526550045.

It can be written as a sum of positive squares in 10 ways, for example, as 529506121 + 10549504 = 23011^2 + 3248^2 .

It is a de Polignac number, because none of the positive numbers 2^k-540055625 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 540055591 and 540055600.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 532619 + ... + 533631.

Almost surely, 2^540055625 is an apocalyptic number.

It is an amenable number.

540055625 is a deficient number, since it is larger than the sum of its proper divisors (136256011).

540055625 is an equidigital number, since it uses as much as digits as its factorization.

540055625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1886 (or 1871 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 540055625 is about 23239.0969058610. The cubic root of 540055625 is about 814.3532450332.

The spelling of 540055625 in words is "five hundred forty million, fifty-five thousand, six hundred twenty-five".