540680552 has 8 divisors (see below), whose sum is σ = 1013776050. Its totient is φ = 270340272.

The previous prime is 540680531. The next prime is 540680557. The reversal of 540680552 is 255086045.

It can be written as a sum of positive squares in only one way, i.e., 381264676 + 159415876 = 19526^2 + 12626^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×540680552² = 584670918622049408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (540680557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33792527 + ... + 33792542.

Almost surely, 2^540680552 is an apocalyptic number.

It is an amenable number.

540680552 is a deficient number, since it is larger than the sum of its proper divisors (473095498).

540680552 is a wasteful number, since it uses less digits than its factorization.

540680552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67585075 (or 67585071 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

The square root of 540680552 is about 23252.5386140955. The cubic root of 540680552 is about 814.6672343934.

It can be divided in two parts, 5406 and 80552, that added together give a palindrome (85958).

The spelling of 540680552 in words is "five hundred forty million, six hundred eighty thousand, five hundred fifty-two".