30551049 has 6 divisors (see below), whose sum is σ = 44129306. Its totient is φ = 20367360.

The previous prime is 30551047. The next prime is 30551051. The reversal of 30551049 is 94015503.

It is an interprime number because it is at equal distance from previous prime (30551047) and next prime (30551051).

It can be written as a sum of positive squares in only one way, i.e., 22325625 + 8225424 = 4725^2 + 2868^2 .

It is not a de Polignac number, because 30551049 - 2¹ = 30551047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30551047) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1697272 + ... + 1697289.

Almost surely, 2^30551049 is an apocalyptic number.

It is an amenable number.

30551049 is a deficient number, since it is larger than the sum of its proper divisors (13578257).

30551049 is a wasteful number, since it uses less digits than its factorization.

30551049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3394567 (or 3394564 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 30551049 is about 5527.3003356069. The cubic root of 30551049 is about 312.6142055110.

The spelling of 30551049 in words is "thirty million, five hundred fifty-one thousand, forty-nine".