55485640829 has 8 divisors (see below), whose sum is σ = 56271350592. Its totient is φ = 54700048480.

The previous prime is 55485640801. The next prime is 55485640877. The reversal of 55485640829 is 92804658455.

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 55485640829 - 2¹⁶ = 55485575293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55485640879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1435217 + ... + 1473369.

It is an arithmetic number, because the mean of its divisors is an integer number (7033918824).

Almost surely, 2^55485640829 is an apocalyptic number.

It is an amenable number.

55485640829 is a deficient number, since it is larger than the sum of its proper divisors (785709763).

55485640829 is a wasteful number, since it uses less digits than its factorization.

55485640829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58707.

The product of its (nonzero) digits is 13824000, while the sum is 56.

The spelling of 55485640829 in words is "fifty-five billion, four hundred eighty-five million, six hundred forty thousand, eight hundred twenty-nine".