5155547 has 2 divisors, whose sum is σ = 5155548. Its totient is φ = 5155546.

The previous prime is 5155511. The next prime is 5155561. The reversal of 5155547 is 7455515.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5155547 - 2⁶ = 5155483 is a prime.

It is not a weakly prime, because it can be changed into another prime (5155567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2577773 + 2577774.

It is an arithmetic number, because the mean of its divisors is an integer number (2577774).

Almost surely, 2^5155547 is an apocalyptic number.

5155547 is a deficient number, since it is larger than the sum of its proper divisors (1).

5155547 is an equidigital number, since it uses as much as digits as its factorization.

5155547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17500, while the sum is 32.

The square root of 5155547 is about 2270.5829647912. The cubic root of 5155547 is about 172.7527290358.

Subtracting from 5155547 its sum of digits (32), we obtain a palindrome (5155515).

Subtracting 5155547 from its reverse (7455515), we obtain a cube (2299968 = 132³).

The spelling of 5155547 in words is "five million, one hundred fifty-five thousand, five hundred forty-seven".