55575275829 has 4 divisors (see below), whose sum is σ = 74100367776. Its totient is φ = 37050183884.

The previous prime is 55575275827. The next prime is 55575275851. The reversal of 55575275829 is 92857257555.

It is a happy number.

55575275829 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55575275829 - 2¹ = 55575275827 is a prime.

It is a super-2 number, since 2×55575275829² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55575275827) 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, 9262545969 + ... + 9262545974.

It is an arithmetic number, because the mean of its divisors is an integer number (18525091944).

Almost surely, 2^55575275829 is an apocalyptic number.

It is an amenable number.

55575275829 is a deficient number, since it is larger than the sum of its proper divisors (18525091947).

55575275829 is a wasteful number, since it uses less digits than its factorization.

55575275829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18525091946.

The product of its digits is 44100000, while the sum is 60.

The spelling of 55575275829 in words is "fifty-five billion, five hundred seventy-five million, two hundred seventy-five thousand, eight hundred twenty-nine".