51133547 has 2 divisors, whose sum is σ = 51133548. Its totient is φ = 51133546.

The previous prime is 51133483. The next prime is 51133553. The reversal of 51133547 is 74533115.

51133547 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51133547 - 2⁶ = 51133483 is a prime.

It is a super-2 number, since 2×51133547² = 5229279257602418, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51133597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25566773 + 25566774.

It is an arithmetic number, because the mean of its divisors is an integer number (25566774).

Almost surely, 2^51133547 is an apocalyptic number.

51133547 is a deficient number, since it is larger than the sum of its proper divisors (1).

51133547 is an equidigital number, since it uses as much as digits as its factorization.

51133547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6300, while the sum is 29.

The square root of 51133547 is about 7150.7724757539. The cubic root of 51133547 is about 371.1663873949.

The spelling of 51133547 in words is "fifty-one million, one hundred thirty-three thousand, five hundred forty-seven".