55615531033 has 4 divisors (see below), whose sum is σ = 56107703988. Its totient is φ = 55123358080.

The previous prime is 55615531031. The next prime is 55615531039. The reversal of 55615531033 is 33013551655.

55615531033 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.

It can be written as a sum of positive squares in 2 ways, for example, as 20441278729 + 35174252304 = 142973^2 + 187548^2 .

It is a cyclic number.

It is not a de Polignac number, because 55615531033 - 2¹ = 55615531031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55615530983 and 55615531001.

It is not an unprimeable number, because it can be changed into a prime (55615531031) 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, 246086308 + ... + 246086533.

It is an arithmetic number, because the mean of its divisors is an integer number (14026925997).

Almost surely, 2^55615531033 is an apocalyptic number.

It is an amenable number.

55615531033 is a deficient number, since it is larger than the sum of its proper divisors (492172955).

55615531033 is a wasteful number, since it uses less digits than its factorization.

55615531033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492172954.

The product of its (nonzero) digits is 101250, while the sum is 37.

The spelling of 55615531033 in words is "fifty-five billion, six hundred fifteen million, five hundred thirty-one thousand, thirty-three".