55476235789 has 8 divisors (see below), whose sum is σ = 60463442592. Its totient is φ = 50591858160.

The previous prime is 55476235781. The next prime is 55476235799. The reversal of 55476235789 is 98753267455.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 55476235789 - 2³ = 55476235781 is a prime.

It is a super-2 number, since 2×55476235789² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55476235781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25706167 + ... + 25708324.

It is an arithmetic number, because the mean of its divisors is an integer number (7557930324).

Almost surely, 2^55476235789 is an apocalyptic number.

It is an amenable number.

55476235789 is a deficient number, since it is larger than the sum of its proper divisors (4987206803).

55476235789 is a wasteful number, since it uses less digits than its factorization.

55476235789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51414587.

The product of its digits is 63504000, while the sum is 61.

The spelling of 55476235789 in words is "fifty-five billion, four hundred seventy-six million, two hundred thirty-five thousand, seven hundred eighty-nine".