55242134405 has 4 divisors (see below), whose sum is σ = 66290561292. Its totient is φ = 44193707520.

The previous prime is 55242134393. The next prime is 55242134411. The reversal of 55242134405 is 50443124255.

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

It can be written as a sum of positive squares in 2 ways, for example, as 14179570084 + 41062564321 = 119078^2 + 202639^2 .

It is not a de Polignac number, because 55242134405 - 2³⁰ = 54168392581 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, 5524213436 + ... + 5524213445.

It is an arithmetic number, because the mean of its divisors is an integer number (16572640323).

Almost surely, 2^55242134405 is an apocalyptic number.

It is an amenable number.

55242134405 is a deficient number, since it is larger than the sum of its proper divisors (11048426887).

55242134405 is a wasteful number, since it uses less digits than its factorization.

55242134405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11048426886.

The product of its (nonzero) digits is 96000, while the sum is 35.

The spelling of 55242134405 in words is "fifty-five billion, two hundred forty-two million, one hundred thirty-four thousand, four hundred five".