55211132424 has 64 divisors (see below), whose sum is σ = 167025283200. Its totient is φ = 14846690304.

The previous prime is 55211132423. The next prime is 55211132429. The reversal of 55211132424 is 42423111255.

It is a junction number, because it is equal to n+sod(n) for n = 55211132391 and 55211132400.

It is not an unprimeable number, because it can be changed into a prime (55211132423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9662959 + ... + 9668670.

It is an arithmetic number, because the mean of its divisors is an integer number (2609770050).

Almost surely, 2^55211132424 is an apocalyptic number.

It is an amenable number.

55211132424 is an abundant number, since it is smaller than the sum of its proper divisors (111814150776).

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

55211132424 is a wasteful number, since it uses less digits than its factorization.

55211132424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19331662 (or 19331658 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

Adding to 55211132424 its reverse (42423111255), we get a palindrome (97634243679).

The spelling of 55211132424 in words is "fifty-five billion, two hundred eleven million, one hundred thirty-two thousand, four hundred twenty-four".