54138607 has 2 divisors, whose sum is σ = 54138608. Its totient is φ = 54138606.

The previous prime is 54138589. The next prime is 54138629. The reversal of 54138607 is 70683145.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54138607 - 2¹¹ = 54136559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54138697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27069303 + 27069304.

It is an arithmetic number, because the mean of its divisors is an integer number (27069304).

Almost surely, 2^54138607 is an apocalyptic number.

54138607 is a deficient number, since it is larger than the sum of its proper divisors (1).

54138607 is an equidigital number, since it uses as much as digits as its factorization.

54138607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 54138607 is about 7357.8941960319. The cubic root of 54138607 is about 378.2994347335.

It can be divided in two parts, 54138 and 607, that added together give a palindrome (54745).

The spelling of 54138607 in words is "fifty-four million, one hundred thirty-eight thousand, six hundred seven".