5155053947 has 4 divisors (see below), whose sum is σ = 5192682216. Its totient is φ = 5117425680.

The previous prime is 5155053929. The next prime is 5155053977. The reversal of 5155053947 is 7493505515.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7493505515 = 5 ⋅1498701103.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5155053947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5155053898 and 5155053907.

It is not an unprimeable number, because it can be changed into a prime (5155053907) 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, 18813929 + ... + 18814202.

It is an arithmetic number, because the mean of its divisors is an integer number (1298170554).

Almost surely, 2^5155053947 is an apocalyptic number.

5155053947 is a deficient number, since it is larger than the sum of its proper divisors (37628269).

5155053947 is a wasteful number, since it uses less digits than its factorization.

5155053947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37628268.

The product of its (nonzero) digits is 472500, while the sum is 44.

The square root of 5155053947 is about 71798.7043546052. The cubic root of 5155053947 is about 1727.4722176589.

The spelling of 5155053947 in words is "five billion, one hundred fifty-five million, fifty-three thousand, nine hundred forty-seven".