55242002004 has 72 divisors (see below), whose sum is σ = 151037268480. Its totient is φ = 15668198784.

The previous prime is 55242001981. The next prime is 55242002017. The reversal of 55242002004 is 40020024255.

It is a happy number.

55242002004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 262324 + ... + 423435.

It is an arithmetic number, because the mean of its divisors is an integer number (2097739840).

Almost surely, 2^55242002004 is an apocalyptic number.

It is an amenable number.

55242002004 is an abundant number, since it is smaller than the sum of its proper divisors (95795266476).

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

55242002004 is a wasteful number, since it uses less digits than its factorization.

55242002004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685917 (or 685908 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

Adding to 55242002004 its reverse (40020024255), we get a palindrome (95262026259).

The spelling of 55242002004 in words is "fifty-five billion, two hundred forty-two million, two thousand, four".