55421044535 has 16 divisors (see below), whose sum is σ = 66961520640. Its totient is φ = 44032797600.

The previous prime is 55421044517. The next prime is 55421044537. The reversal of 55421044535 is 53544012455.

It is not a de Polignac number, because 55421044535 - 2¹² = 55421040439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55421044537) 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, 5493626 + ... + 5503704.

It is an arithmetic number, because the mean of its divisors is an integer number (4185095040).

Almost surely, 2^55421044535 is an apocalyptic number.

55421044535 is a deficient number, since it is larger than the sum of its proper divisors (11540476105).

55421044535 is a wasteful number, since it uses less digits than its factorization.

55421044535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17518.

The product of its (nonzero) digits is 240000, while the sum is 38.

The spelling of 55421044535 in words is "fifty-five billion, four hundred twenty-one million, forty-four thousand, five hundred thirty-five".