55144571574 has 16 divisors (see below), whose sum is σ = 110294714880. Its totient is φ = 18380595240.

The previous prime is 55144571527. The next prime is 55144571611. The reversal of 55144571574 is 47517544155.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97482 + ... + 346109.

It is an arithmetic number, because the mean of its divisors is an integer number (6893419680).

Almost surely, 2^55144571574 is an apocalyptic number.

55144571574 is an abundant number, since it is smaller than the sum of its proper divisors (55150143306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55144571574 is a wasteful number, since it uses less digits than its factorization.

55144571574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464315.

The product of its digits is 1960000, while the sum is 48.

The spelling of 55144571574 in words is "fifty-five billion, one hundred forty-four million, five hundred seventy-one thousand, five hundred seventy-four".