55400511200251 has 8 divisors (see below), whose sum is σ = 63315022847744. Its totient is φ = 47486037778920.

The previous prime is 55400511200201. The next prime is 55400511200317. The reversal of 55400511200251 is 15200211500455.

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 55400511200251 - 2¹¹ = 55400511198203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55400511200201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6380565 + ... + 12309046.

It is an arithmetic number, because the mean of its divisors is an integer number (7914377855968).

Almost surely, 2^{55400511200251} is an apocalyptic number.

55400511200251 is a deficient number, since it is larger than the sum of its proper divisors (7914511647493).

55400511200251 is a wasteful number, since it uses less digits than its factorization.

55400511200251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19113081.

The product of its (nonzero) digits is 10000, while the sum is 31.

The spelling of 55400511200251 in words is "fifty-five trillion, four hundred billion, five hundred eleven million, two hundred thousand, two hundred fifty-one".