553440542445 has 48 divisors (see below), whose sum is σ = 1097339443200. Its totient is φ = 252770602752.

The previous prime is 553440542441. The next prime is 553440542449. The reversal of 553440542445 is 544245044355.

It is a happy number.

553440542445 is a `hidden beast` number, since 5 + 534 + 4 + 0 + 54 + 24 + 45 = 666.

It is an interprime number because it is at equal distance from previous prime (553440542441) and next prime (553440542449).

It is not a de Polignac number, because 553440542445 - 2² = 553440542441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 553440542445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553440542441) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 455245 + ... + 1146354.

It is an arithmetic number, because the mean of its divisors is an integer number (22861238400).

Almost surely, 2^553440542445 is an apocalyptic number.

It is an amenable number.

553440542445 is a deficient number, since it is larger than the sum of its proper divisors (543898900755).

553440542445 is a wasteful number, since it uses less digits than its factorization.

553440542445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1602714 (or 1602711 counting only the distinct ones).

The product of its (nonzero) digits is 3840000, while the sum is 45.

The spelling of 553440542445 in words is "five hundred fifty-three billion, four hundred forty million, five hundred forty-two thousand, four hundred forty-five".