54015047 has 2 divisors, whose sum is σ = 54015048. Its totient is φ = 54015046.

The previous prime is 54015041. The next prime is 54015067. The reversal of 54015047 is 74051045.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54015047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54015041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27007523 + 27007524.

It is an arithmetic number, because the mean of its divisors is an integer number (27007524).

Almost surely, 2^54015047 is an apocalyptic number.

54015047 is a deficient number, since it is larger than the sum of its proper divisors (1).

54015047 is an equidigital number, since it uses as much as digits as its factorization.

54015047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 54015047 is about 7349.4929757093. The cubic root of 54015047 is about 378.0114191748.

The spelling of 54015047 in words is "fifty-four million, fifteen thousand, forty-seven".