55084719421 has 16 divisors (see below), whose sum is σ = 61447584960. Its totient is φ = 49073506560.

The previous prime is 55084719413. The next prime is 55084719451. The reversal of 55084719421 is 12491748055.

It is a cyclic number.

It is not a de Polignac number, because 55084719421 - 2³ = 55084719413 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 (55084719451) 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, 305415 + ... + 451051.

It is an arithmetic number, because the mean of its divisors is an integer number (3840474060).

Almost surely, 2^55084719421 is an apocalyptic number.

It is an amenable number.

55084719421 is a deficient number, since it is larger than the sum of its proper divisors (6362865539).

55084719421 is a wasteful number, since it uses less digits than its factorization.

55084719421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146844.

The product of its (nonzero) digits is 403200, while the sum is 46.

The spelling of 55084719421 in words is "fifty-five billion, eighty-four million, seven hundred nineteen thousand, four hundred twenty-one".