55066890757 has 8 divisors (see below), whose sum is σ = 55205174880. Its totient is φ = 54928713840.

The previous prime is 55066890727. The next prime is 55066890761. The reversal of 55066890757 is 75709866055.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55066890757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55066890727) 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, 1056219 + ... + 1107127.

It is an arithmetic number, because the mean of its divisors is an integer number (6900646860).

Almost surely, 2^55066890757 is an apocalyptic number.

It is an amenable number.

55066890757 is a deficient number, since it is larger than the sum of its proper divisors (138284123).

55066890757 is a wasteful number, since it uses less digits than its factorization.

55066890757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53603.

The product of its (nonzero) digits is 15876000, while the sum is 58.

The spelling of 55066890757 in words is "fifty-five billion, sixty-six million, eight hundred ninety thousand, seven hundred fifty-seven".