55613422340 has 96 divisors (see below), whose sum is σ = 135517100544. Its totient is φ = 18777507840.

The previous prime is 55613422307. The next prime is 55613422349. The reversal of 55613422340 is 4322431655.

55613422340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55613422340² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 55613422340.

It is not an unprimeable number, because it can be changed into a prime (55613422349) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2472545 + ... + 2494935.

It is an arithmetic number, because the mean of its divisors is an integer number (1411636464).

Almost surely, 2^55613422340 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 55613422340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67758550272).

55613422340 is an abundant number, since it is smaller than the sum of its proper divisors (79903678204).

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

55613422340 is a wasteful number, since it uses less digits than its factorization.

55613422340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22677 (or 22675 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 55613422340 its reverse (4322431655), we get a palindrome (59935853995).

The spelling of 55613422340 in words is "fifty-five billion, six hundred thirteen million, four hundred twenty-two thousand, three hundred forty".