54039487 has 2 divisors, whose sum is σ = 54039488. Its totient is φ = 54039486.

The previous prime is 54039467. The next prime is 54039493. The reversal of 54039487 is 78493045.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54039487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54039407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27019743 + 27019744.

It is an arithmetic number, because the mean of its divisors is an integer number (27019744).

Almost surely, 2^54039487 is an apocalyptic number.

54039487 is a deficient number, since it is larger than the sum of its proper divisors (1).

54039487 is an equidigital number, since it uses as much as digits as its factorization.

54039487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 54039487 is about 7351.1554874047. The cubic root of 54039487 is about 378.0684230812.

The spelling of 54039487 in words is "fifty-four million, thirty-nine thousand, four hundred eighty-seven".