55405594749 has 8 divisors (see below), whose sum is σ = 74126257632. Its totient is φ = 36810997520.

The previous prime is 55405594711. The next prime is 55405594753. The reversal of 55405594749 is 94749550455.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55405594749 - 2¹¹ = 55405592701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55405594709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31515387 + ... + 31517144.

It is an arithmetic number, because the mean of its divisors is an integer number (9265782204).

Almost surely, 2^55405594749 is an apocalyptic number.

It is an amenable number.

55405594749 is a deficient number, since it is larger than the sum of its proper divisors (18720662883).

55405594749 is a wasteful number, since it uses less digits than its factorization.

55405594749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63032827.

The product of its (nonzero) digits is 22680000, while the sum is 57.

The spelling of 55405594749 in words is "fifty-five billion, four hundred five million, five hundred ninety-four thousand, seven hundred forty-nine".