55451432512330 has 8 divisors (see below), whose sum is σ = 99812578522212. Its totient is φ = 22180573004928.

The previous prime is 55451432512319. The next prime is 55451432512351. The reversal of 55451432512330 is 3321523415455.

It can be written as a sum of positive squares in 2 ways, for example, as 51029492241049 + 4421940271281 = 7143493^2 + 2102841^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×55451432512330² (a number of 28 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, 2772571625607 + ... + 2772571625626.

Almost surely, 2^{55451432512330} is an apocalyptic number.

55451432512330 is a deficient number, since it is larger than the sum of its proper divisors (44361146009882).

55451432512330 is a wasteful number, since it uses less digits than its factorization.

55451432512330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5545143251240.

The product of its (nonzero) digits is 1080000, while the sum is 43.

Adding to 55451432512330 its reverse (3321523415455), we get a palindrome (58772955927785).

The spelling of 55451432512330 in words is "fifty-five trillion, four hundred fifty-one billion, four hundred thirty-two million, five hundred twelve thousand, three hundred thirty".