55051220004339 has 24 divisors (see below), whose sum is σ = 79502467310640. Its totient is φ = 33869050156032.

The previous prime is 55051220004337. The next prime is 55051220004359. The reversal of 55051220004339 is 93340002215055.

It is not a de Polignac number, because 55051220004339 - 2¹ = 55051220004337 is a prime.

It is a super-2 number, since 2×55051220004339² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 55051220004297 and 55051220004306.

It is not an unprimeable number, because it can be changed into a prime (55051220004337) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11826054 + ... + 15810059.

It is an arithmetic number, because the mean of its divisors is an integer number (3312602804610).

Almost surely, 2^{55051220004339} is an apocalyptic number.

55051220004339 is a deficient number, since it is larger than the sum of its proper divisors (24451247306301).

55051220004339 is a wasteful number, since it uses less digits than its factorization.

55051220004339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27640071 (or 27640058 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 39.

The spelling of 55051220004339 in words is "fifty-five trillion, fifty-one billion, two hundred twenty million, four thousand, three hundred thirty-nine".