55501531799 has 8 divisors (see below), whose sum is σ = 63461600160. Its totient is φ = 47549282976.

The previous prime is 55501531747. The next prime is 55501531823. The reversal of 55501531799 is 99713510555.

55501531799 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 55501531799 - 2²⁰ = 55500483223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55501531399) 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, 1939664 + ... + 1968069.

It is an arithmetic number, because the mean of its divisors is an integer number (7932700020).

Almost surely, 2^55501531799 is an apocalyptic number.

55501531799 is a deficient number, since it is larger than the sum of its proper divisors (7960068361).

55501531799 is a wasteful number, since it uses less digits than its factorization.

55501531799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3909769.

The product of its (nonzero) digits is 1063125, while the sum is 50.

The spelling of 55501531799 in words is "fifty-five billion, five hundred one million, five hundred thirty-one thousand, seven hundred ninety-nine".