55049609051 has 4 divisors (see below), whose sum is σ = 55086581400. Its totient is φ = 55012636704.

The previous prime is 55049609029. The next prime is 55049609059. The reversal of 55049609051 is 15090694055.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55049609051 - 2¹⁴ = 55049592667 is a prime.

It is a super-2 number, since 2×55049609051² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55049608993 and 55049609011.

It is not an unprimeable number, because it can be changed into a prime (55049609059) 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, 18483941 + ... + 18486918.

It is an arithmetic number, because the mean of its divisors is an integer number (13771645350).

Almost surely, 2^55049609051 is an apocalyptic number.

55049609051 is a deficient number, since it is larger than the sum of its proper divisors (36972349).

55049609051 is a wasteful number, since it uses less digits than its factorization.

55049609051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36972348.

The product of its (nonzero) digits is 243000, while the sum is 44.

The spelling of 55049609051 in words is "fifty-five billion, forty-nine million, six hundred nine thousand, fifty-one".