55455423324 has 96 divisors (see below), whose sum is σ = 148533805056. Its totient is φ = 15774644160.

The previous prime is 55455423307. The next prime is 55455423451. The reversal of 55455423324 is 42332455455.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23387859 + ... + 23390229.

It is an arithmetic number, because the mean of its divisors is an integer number (1547227136).

Almost surely, 2^55455423324 is an apocalyptic number.

It is an amenable number.

55455423324 is an abundant number, since it is smaller than the sum of its proper divisors (93078381732).

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

55455423324 is a wasteful number, since it uses less digits than its factorization.

55455423324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3495 (or 3493 counting only the distinct ones).

The product of its digits is 1440000, while the sum is 42.

Adding to 55455423324 its reverse (42332455455), we get a palindrome (97787878779).

The spelling of 55455423324 in words is "fifty-five billion, four hundred fifty-five million, four hundred twenty-three thousand, three hundred twenty-four".