55431453214 has 32 divisors (see below), whose sum is σ = 90491074560. Its totient is φ = 25369394400.

The previous prime is 55431453179. The next prime is 55431453239. The reversal of 55431453214 is 41235413455.

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, 706032 + ... + 780604.

It is an arithmetic number, because the mean of its divisors is an integer number (2827846080).

Almost surely, 2^55431453214 is an apocalyptic number.

55431453214 is a deficient number, since it is larger than the sum of its proper divisors (35059621346).

55431453214 is a wasteful number, since it uses less digits than its factorization.

55431453214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75256.

The product of its digits is 144000, while the sum is 37.

Adding to 55431453214 its reverse (41235413455), we get a palindrome (96666866669).

The spelling of 55431453214 in words is "fifty-five billion, four hundred thirty-one million, four hundred fifty-three thousand, two hundred fourteen".