55555253241020 has 24 divisors (see below), whose sum is σ = 125640341945664. Its totient is φ = 20512708888896.

The previous prime is 55555253240959. The next prime is 55555253241031. The reversal of 55555253241020 is 2014235255555.

It is a happy number.

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, 106837025204 + ... + 106837025723.

It is an arithmetic number, because the mean of its divisors is an integer number (5235014247736).

Almost surely, 2^{55555253241020} is an apocalyptic number.

It is an amenable number.

55555253241020 is an abundant number, since it is smaller than the sum of its proper divisors (70085088704644).

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

55555253241020 is a wasteful number, since it uses less digits than its factorization.

55555253241020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213674050949 (or 213674050947 counting only the distinct ones).

The product of its (nonzero) digits is 1500000, while the sum is 44.

Adding to 55555253241020 its reverse (2014235255555), we get a palindrome (57569488496575).

The spelling of 55555253241020 in words is "fifty-five trillion, five hundred fifty-five billion, two hundred fifty-three million, two hundred forty-one thousand, twenty".