55431414 has 12 divisors (see below), whose sum is σ = 120101436. Its totient is φ = 18477132.

The previous prime is 55431413. The next prime is 55431419. The reversal of 55431414 is 41413455.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55431413) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1539744 + ... + 1539779.

It is an arithmetic number, because the mean of its divisors is an integer number (10008453).

Almost surely, 2^55431414 is an apocalyptic number.

55431414 is an abundant number, since it is smaller than the sum of its proper divisors (64670022).

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

55431414 is a wasteful number, since it uses less digits than its factorization.

55431414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3079531 (or 3079528 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 55431414 is about 7445.2275989388. The cubic root of 55431414 is about 381.2869890118.

Adding to 55431414 its reverse (41413455), we get a palindrome (96844869).

The spelling of 55431414 in words is "fifty-five million, four hundred thirty-one thousand, four hundred fourteen".