55355016700340 has 96 divisors (see below), whose sum is σ = 134739688204800. Its totient is φ = 18709264304640.

The previous prime is 55355016700339. The next prime is 55355016700363. The reversal of 55355016700340 is 4300761055355.

It is a super-2 number, since 2×55355016700340² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55355016700291 and 55355016700300.

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, 81857126 + ... + 82530594.

It is an arithmetic number, because the mean of its divisors is an integer number (1403538418800).

Almost surely, 2^{55355016700340} 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 55355016700340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67369844102400).

55355016700340 is an abundant number, since it is smaller than the sum of its proper divisors (79384671504460).

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

55355016700340 is a wasteful number, since it uses less digits than its factorization.

55355016700340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681825 (or 681823 counting only the distinct ones).

The product of its (nonzero) digits is 945000, while the sum is 44.

Adding to 55355016700340 its reverse (4300761055355), we get a palindrome (59655777755695).

The spelling of 55355016700340 in words is "fifty-five trillion, three hundred fifty-five billion, sixteen million, seven hundred thousand, three hundred forty".