5540149573 has 6 divisors (see below), whose sum is σ = 6444663846. Its totient is φ = 4748699592.

The previous prime is 5540149547. The next prime is 5540149577. The reversal of 5540149573 is 3759410455.

It can be written as a sum of positive squares in only one way, i.e., 5421818689 + 118330884 = 73633^2 + 10878^2 .

It is not a de Polignac number, because 5540149573 - 2¹³ = 5540141381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5540149577) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56532090 + ... + 56532187.

It is an arithmetic number, because the mean of its divisors is an integer number (1074110641).

Almost surely, 2^5540149573 is an apocalyptic number.

It is an amenable number.

5540149573 is a deficient number, since it is larger than the sum of its proper divisors (904514273).

5540149573 is a wasteful number, since it uses less digits than its factorization.

5540149573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113064291 (or 113064284 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 43.

The square root of 5540149573 is about 74432.1810307880. The cubic root of 5540149573 is about 1769.4589697350.

The spelling of 5540149573 in words is "five billion, five hundred forty million, one hundred forty-nine thousand, five hundred seventy-three".