30047037553 has 4 divisors (see below), whose sum is σ = 32358348148. Its totient is φ = 27735726960.

The previous prime is 30047037529. The next prime is 30047037571. The reversal of 30047037553 is 35573074003.

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 20228803984 + 9818233569 = 142228^2 + 99087^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30047037553 is a prime.

It is a super-2 number, since 2×30047037553² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30047037253) 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, 1155655278 + ... + 1155655303.

It is an arithmetic number, because the mean of its divisors is an integer number (8089587037).

Almost surely, 2^30047037553 is an apocalyptic number.

It is an amenable number.

30047037553 is a deficient number, since it is larger than the sum of its proper divisors (2311310595).

30047037553 is a wasteful number, since it uses less digits than its factorization.

30047037553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2311310594.

The product of its (nonzero) digits is 132300, while the sum is 37.

The spelling of 30047037553 in words is "thirty billion, forty-seven million, thirty-seven thousand, five hundred fifty-three".