55414232439 has 4 divisors (see below), whose sum is σ = 73885643256. Its totient is φ = 36942821624.

The previous prime is 55414232399. The next prime is 55414232443. The reversal of 55414232439 is 93423241455.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55414232439 - 2¹³ = 55414224247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55414232439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55414232449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9235705404 + ... + 9235705409.

It is an arithmetic number, because the mean of its divisors is an integer number (18471410814).

Almost surely, 2^55414232439 is an apocalyptic number.

55414232439 is a deficient number, since it is larger than the sum of its proper divisors (18471410817).

55414232439 is a wasteful number, since it uses less digits than its factorization.

55414232439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18471410816.

The product of its digits is 518400, while the sum is 42.

The spelling of 55414232439 in words is "fifty-five billion, four hundred fourteen million, two hundred thirty-two thousand, four hundred thirty-nine".