5546772149 has 4 divisors (see below), whose sum is σ = 5558909964. Its totient is φ = 5534634336.

The previous prime is 5546772113. The next prime is 5546772167. The reversal of 5546772149 is 9412776455.

It is a happy number.

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 2903269924 + 2643502225 = 53882^2 + 51415^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5546772149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5546772097 and 5546772106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5546772449) 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, 6068222 + ... + 6069135.

It is an arithmetic number, because the mean of its divisors is an integer number (1389727491).

Almost surely, 2^5546772149 is an apocalyptic number.

It is an amenable number.

5546772149 is a deficient number, since it is larger than the sum of its proper divisors (12137815).

5546772149 is a wasteful number, since it uses less digits than its factorization.

5546772149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12137814.

The product of its digits is 2116800, while the sum is 50.

The square root of 5546772149 is about 74476.6550604953. The cubic root of 5546772149 is about 1770.1637467542.

The spelling of 5546772149 in words is "five billion, five hundred forty-six million, seven hundred seventy-two thousand, one hundred forty-nine".