55245073949 has 8 divisors (see below), whose sum is σ = 62625995040. Its totient is φ = 48311481456.

The previous prime is 55245073913. The next prime is 55245074039. The reversal of 55245073949 is 94937054255.

It is a happy number.

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 55245073949 - 2¹² = 55245069853 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55245073949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55245073549) 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, 111831887 + ... + 111832380.

It is an arithmetic number, because the mean of its divisors is an integer number (7828249380).

Almost surely, 2^55245073949 is an apocalyptic number.

It is an amenable number.

55245073949 is a deficient number, since it is larger than the sum of its proper divisors (7380921091).

55245073949 is a wasteful number, since it uses less digits than its factorization.

55245073949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223664299.

The product of its (nonzero) digits is 6804000, while the sum is 53.

The spelling of 55245073949 in words is "fifty-five billion, two hundred forty-five million, seventy-three thousand, nine hundred forty-nine".