54251497 has 2 divisors, whose sum is σ = 54251498. Its totient is φ = 54251496.

The previous prime is 54251447. The next prime is 54251501. The reversal of 54251497 is 79415245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50851161 + 3400336 = 7131^2 + 1844^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54251497 is a prime.

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, 27125748 + 27125749.

It is an arithmetic number, because the mean of its divisors is an integer number (27125749).

Almost surely, 2^54251497 is an apocalyptic number.

It is an amenable number.

54251497 is a deficient number, since it is larger than the sum of its proper divisors (1).

54251497 is an equidigital number, since it uses as much as digits as its factorization.

54251497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50400, while the sum is 37.

The square root of 54251497 is about 7365.5615536088. The cubic root of 54251497 is about 378.5621959199.

The spelling of 54251497 in words is "fifty-four million, two hundred fifty-one thousand, four hundred ninety-seven".