55020326137 has 4 divisors (see below), whose sum is σ = 62880372736. Its totient is φ = 47160279540.

The previous prime is 55020326113. The next prime is 55020326197. The reversal of 55020326137 is 73162302055.

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 55020326137 - 2³¹ = 52872842489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55020326197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3930023289 + ... + 3930023302.

It is an arithmetic number, because the mean of its divisors is an integer number (15720093184).

Almost surely, 2^55020326137 is an apocalyptic number.

It is an amenable number.

55020326137 is a deficient number, since it is larger than the sum of its proper divisors (7860046599).

55020326137 is an equidigital number, since it uses as much as digits as its factorization.

55020326137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7860046598.

The product of its (nonzero) digits is 37800, while the sum is 34.

The spelling of 55020326137 in words is "fifty-five billion, twenty million, three hundred twenty-six thousand, one hundred thirty-seven".