54856547 has 2 divisors, whose sum is σ = 54856548. Its totient is φ = 54856546.

The previous prime is 54856531. The next prime is 54856559. The reversal of 54856547 is 74565845.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54856547 - 2⁴ = 54856531 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 54856498 and 54856507.

It is not a weakly prime, because it can be changed into another prime (54856147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27428273 + 27428274.

It is an arithmetic number, because the mean of its divisors is an integer number (27428274).

Almost surely, 2^54856547 is an apocalyptic number.

54856547 is a deficient number, since it is larger than the sum of its proper divisors (1).

54856547 is an equidigital number, since it uses as much as digits as its factorization.

54856547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 672000, while the sum is 44.

The square root of 54856547 is about 7406.5205731166. The cubic root of 54856547 is about 379.9643249057.

The spelling of 54856547 in words is "fifty-four million, eight hundred fifty-six thousand, five hundred forty-seven".