54251047 has 2 divisors, whose sum is σ = 54251048. Its totient is φ = 54251046.

The previous prime is 54251011. The next prime is 54251051. The reversal of 54251047 is 74015245.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54251047 - 2⁷ = 54250919 is a prime.

It is a super-2 number, since 2×54251047² = 5886352201192418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54251447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27125523 + 27125524.

It is an arithmetic number, because the mean of its divisors is an integer number (27125524).

Almost surely, 2^54251047 is an apocalyptic number.

54251047 is a deficient number, since it is larger than the sum of its proper divisors (1).

54251047 is an equidigital number, since it uses as much as digits as its factorization.

54251047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 54251047 is about 7365.5310059764. The cubic root of 54251047 is about 378.5611492301.

The spelling of 54251047 in words is "fifty-four million, two hundred fifty-one thousand, forty-seven".