54550547569 has 24 divisors (see below), whose sum is σ = 67222224960. Its totient is φ = 44014422816.

The previous prime is 54550547561. The next prime is 54550547633. The reversal of 54550547569 is 96574505545.

It is not a de Polignac number, because 54550547569 - 2³ = 54550547561 is a prime.

It is a super-2 number, since 2×54550547569² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54550547561) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40437 + ... + 332770.

It is an arithmetic number, because the mean of its divisors is an integer number (2800926040).

Almost surely, 2^54550547569 is an apocalyptic number.

It is an amenable number.

54550547569 is a deficient number, since it is larger than the sum of its proper divisors (12671677391).

54550547569 is a wasteful number, since it uses less digits than its factorization.

54550547569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373397 (or 373390 counting only the distinct ones).

The product of its (nonzero) digits is 18900000, while the sum is 55.

The spelling of 54550547569 in words is "fifty-four billion, five hundred fifty million, five hundred forty-seven thousand, five hundred sixty-nine".