55540025724 has 12 divisors (see below), whose sum is σ = 129593393384. Its totient is φ = 18513341904.

The previous prime is 55540025719. The next prime is 55540025743. The reversal of 55540025724 is 42752004555.

It is a tau number, because it is divible by the number of its divisors (12).

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, 2314167727 + ... + 2314167750.

Almost surely, 2^55540025724 is an apocalyptic number.

It is an amenable number.

55540025724 is an abundant number, since it is smaller than the sum of its proper divisors (74053367660).

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

55540025724 is a wasteful number, since it uses less digits than its factorization.

55540025724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4628335484 (or 4628335482 counting only the distinct ones).

The product of its (nonzero) digits is 280000, while the sum is 39.

The spelling of 55540025724 in words is "fifty-five billion, five hundred forty million, twenty-five thousand, seven hundred twenty-four".