55122453440430 has 32 divisors (see below), whose sum is σ = 132871590842400. Its totient is φ = 14635131741312.

The previous prime is 55122453440347. The next prime is 55122453440479. The reversal of 55122453440430 is 3404435422155.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4011816525 + ... + 4011830264.

It is an arithmetic number, because the mean of its divisors is an integer number (4152237213825).

Almost surely, 2^{55122453440430} is an apocalyptic number.

55122453440430 is an abundant number, since it is smaller than the sum of its proper divisors (77749137401970).

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

55122453440430 is a wasteful number, since it uses less digits than its factorization.

55122453440430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8023647028.

The product of its (nonzero) digits is 1152000, while the sum is 42.

Adding to 55122453440430 its reverse (3404435422155), we get a palindrome (58526888862585).

The spelling of 55122453440430 in words is "fifty-five trillion, one hundred twenty-two billion, four hundred fifty-three million, four hundred forty thousand, four hundred thirty".