5540501506 has 4 divisors (see below), whose sum is σ = 8310752262. Its totient is φ = 2770250752.

The previous prime is 5540501489. The next prime is 5540501521. The reversal of 5540501506 is 6051050455.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6051050455 = 5 ⋅1210210091.

It can be written as a sum of positive squares in only one way, i.e., 5497481025 + 43020481 = 74145^2 + 6559^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1385125375 + ... + 1385125378.

Almost surely, 2^5540501506 is an apocalyptic number.

5540501506 is a deficient number, since it is larger than the sum of its proper divisors (2770250756).

5540501506 is a wasteful number, since it uses less digits than its factorization.

5540501506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2770250755.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 5540501506 is about 74434.5451117960. The cubic root of 5540501506 is about 1769.4964367029.

The spelling of 5540501506 in words is "five billion, five hundred forty million, five hundred one thousand, five hundred six".