55424442234 has 96 divisors (see below), whose sum is σ = 136834583040. Its totient is φ = 14890215648.

The previous prime is 55424442221. The next prime is 55424442251. The reversal of 55424442234 is 43224442455.

It is a super-3 number, since 3×55424442234³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55424442192 and 55424442201.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 329497 + ... + 468419.

It is an arithmetic number, because the mean of its divisors is an integer number (1425360240).

Almost surely, 2^55424442234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55424442234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68417291520).

55424442234 is an abundant number, since it is smaller than the sum of its proper divisors (81410140806).

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

55424442234 is a wasteful number, since it uses less digits than its factorization.

55424442234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139024 (or 139017 counting only the distinct ones).

The product of its digits is 614400, while the sum is 39.

Adding to 55424442234 its reverse (43224442455), we get a palindrome (98648884689).

The spelling of 55424442234 in words is "fifty-five billion, four hundred twenty-four million, four hundred forty-two thousand, two hundred thirty-four".