55331422412 has 12 divisors (see below), whose sum is σ = 110662844880. Its totient is φ = 23713466736.

The previous prime is 55331422409. The next prime is 55331422427. The reversal of 55331422412 is 21422413355.

55331422412 is an admirable number.

It is a super-2 number, since 2×55331422412² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 988061087 + ... + 988061142.

It is an arithmetic number, because the mean of its divisors is an integer number (9221903740).

Almost surely, 2^55331422412 is an apocalyptic number.

It is an amenable number.

55331422412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55331422412 is a wasteful number, since it uses less digits than its factorization.

55331422412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976122240 (or 1976122238 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

Adding to 55331422412 its reverse (21422413355), we get a palindrome (76753835767).

The spelling of 55331422412 in words is "fifty-five billion, three hundred thirty-one million, four hundred twenty-two thousand, four hundred twelve".