55455546415 has 4 divisors (see below), whose sum is σ = 66546655704. Its totient is φ = 44364437128.

The previous prime is 55455546407. The next prime is 55455546427. The reversal of 55455546415 is 51464555455.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55455546415 - 2³ = 55455546407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5545554637 + ... + 5545554646.

It is an arithmetic number, because the mean of its divisors is an integer number (16636663926).

Almost surely, 2^55455546415 is an apocalyptic number.

55455546415 is a deficient number, since it is larger than the sum of its proper divisors (11091109289).

55455546415 is a wasteful number, since it uses less digits than its factorization.

55455546415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11091109288.

The product of its digits is 6000000, while the sum is 49.

The spelling of 55455546415 in words is "fifty-five billion, four hundred fifty-five million, five hundred forty-six thousand, four hundred fifteen".