55542530424 has 128 divisors (see below), whose sum is σ = 150923062080. Its totient is φ = 16964812800.

The previous prime is 55542530359. The next prime is 55542530443. The reversal of 55542530424 is 42403524555.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8712102 + ... + 8718474.

Almost surely, 2^55542530424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55542530424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75461531040).

55542530424 is an abundant number, since it is smaller than the sum of its proper divisors (95380531656).

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

55542530424 is a wasteful number, since it uses less digits than its factorization.

55542530424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6961 (or 6957 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 39.

The spelling of 55542530424 in words is "fifty-five billion, five hundred forty-two million, five hundred thirty thousand, four hundred twenty-four".