5540609631 has 8 divisors (see below), whose sum is σ = 7396480944. Its totient is φ = 3689239040.

The previous prime is 5540609623. The next prime is 5540609647. The reversal of 5540609631 is 1369060455.

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

It is a cyclic number.

It is not a de Polignac number, because 5540609631 - 2³ = 5540609623 is a prime.

It is a super-2 number, since 2×5540609631² = 61396710166259912322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5540609631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5540609671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1122306 + ... + 1127231.

It is an arithmetic number, because the mean of its divisors is an integer number (924560118).

Almost surely, 2^5540609631 is an apocalyptic number.

5540609631 is a deficient number, since it is larger than the sum of its proper divisors (1855871313).

5540609631 is a wasteful number, since it uses less digits than its factorization.

5540609631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2250361.

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 5540609631 is about 74435.2714175209. The cubic root of 5540609631 is about 1769.5079474273.

The spelling of 5540609631 in words is "five billion, five hundred forty million, six hundred nine thousand, six hundred thirty-one".