55425214520 has 32 divisors (see below), whose sum is σ = 134299559520. Its totient is φ = 20464694400.

The previous prime is 55425214499. The next prime is 55425214531. The reversal of 55425214520 is 2541252455.

55425214520 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 7 ways as a sum of consecutive naturals, for example, 53292956 + ... + 53293995.

It is an arithmetic number, because the mean of its divisors is an integer number (4196861235).

Almost surely, 2^55425214520 is an apocalyptic number.

It is an amenable number.

55425214520 is an abundant number, since it is smaller than the sum of its proper divisors (78874345000).

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

55425214520 is a wasteful number, since it uses less digits than its factorization.

55425214520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106586975 (or 106586971 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 35.

Adding to 55425214520 its reverse (2541252455), we get a palindrome (57966466975).

The spelling of 55425214520 in words is "fifty-five billion, four hundred twenty-five million, two hundred fourteen thousand, five hundred twenty".