55549890257401 has 8 divisors (see below), whose sum is σ = 57967614808704. Its totient is φ = 53132375033760.

The previous prime is 55549890257383. The next prime is 55549890257429. The reversal of 55549890257401 is 10475209894555.

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 55549890257401 - 2⁵ = 55549890257369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55549890257441) 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, 51789501 + ... + 52851226.

It is an arithmetic number, because the mean of its divisors is an integer number (7245951851088).

Almost surely, 2^{55549890257401} is an apocalyptic number.

It is an amenable number.

55549890257401 is a deficient number, since it is larger than the sum of its proper divisors (2417724551303).

55549890257401 is a wasteful number, since it uses less digits than its factorization.

55549890257401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104663831.

The product of its (nonzero) digits is 90720000, while the sum is 64.

The spelling of 55549890257401 in words is "fifty-five trillion, five hundred forty-nine billion, eight hundred ninety million, two hundred fifty-seven thousand, four hundred one".