55025430212251 has 16 divisors (see below), whose sum is σ = 57934654444800. Its totient is φ = 52117522517088.

The previous prime is 55025430212239. The next prime is 55025430212257. The reversal of 55025430212251 is 15221203452055.

It is a cyclic number.

It is not a de Polignac number, because 55025430212251 - 2⁵ = 55025430212219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55025430212251.

It is not an unprimeable number, because it can be changed into a prime (55025430212257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2815598386 + ... + 2815617928.

It is an arithmetic number, because the mean of its divisors is an integer number (3620915902800).

Almost surely, 2^{55025430212251} is an apocalyptic number.

55025430212251 is a deficient number, since it is larger than the sum of its proper divisors (2909224232549).

55025430212251 is a wasteful number, since it uses less digits than its factorization.

55025430212251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45618.

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 55025430212251 in words is "fifty-five trillion, twenty-five billion, four hundred thirty million, two hundred twelve thousand, two hundred fifty-one".