5155438547 has 32 divisors (see below), whose sum is σ = 6520590720. Its totient is φ = 3973939200.

The previous prime is 5155438543. The next prime is 5155438571. The reversal of 5155438547 is 7458345515.

It is not a de Polignac number, because 5155438547 - 2² = 5155438543 is a prime.

It is a super-2 number, since 2×5155438547² = 53157093223786942418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5155438543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 327047 + ... + 342447.

It is an arithmetic number, because the mean of its divisors is an integer number (203768460).

Almost surely, 2^5155438547 is an apocalyptic number.

5155438547 is a deficient number, since it is larger than the sum of its proper divisors (1365152173).

5155438547 is a wasteful number, since it uses less digits than its factorization.

5155438547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15551.

The product of its digits is 1680000, while the sum is 47.

The square root of 5155438547 is about 71801.3826259634. The cubic root of 5155438547 is about 1727.5151767498.

The spelling of 5155438547 in words is "five billion, one hundred fifty-five million, four hundred thirty-eight thousand, five hundred forty-seven".