5540505293 has 4 divisors (see below), whose sum is σ = 5540783388. Its totient is φ = 5540227200.

The previous prime is 5540505247. The next prime is 5540505301. The reversal of 5540505293 is 3925050455.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3925050455 = 5 ⋅785010091.

It can be written as a sum of positive squares in 2 ways, for example, as 5066877124 + 473628169 = 71182^2 + 21763^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5540505293 is a prime.

It is a super-2 number, since 2×5540505293² = 61394397803522031698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5540502293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106646 + ... + 149847.

It is an arithmetic number, because the mean of its divisors is an integer number (1385195847).

Almost surely, 2^5540505293 is an apocalyptic number.

It is an amenable number.

5540505293 is a deficient number, since it is larger than the sum of its proper divisors (278095).

5540505293 is a wasteful number, since it uses less digits than its factorization.

5540505293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278094.

The product of its (nonzero) digits is 135000, while the sum is 38.

The square root of 5540505293 is about 74434.5705502490. The cubic root of 5540505293 is about 1769.4968398602.

The spelling of 5540505293 in words is "five billion, five hundred forty million, five hundred five thousand, two hundred ninety-three".