54607639 has 2 divisors, whose sum is σ = 54607640. Its totient is φ = 54607638.

The previous prime is 54607633. The next prime is 54607661. The reversal of 54607639 is 93670645.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54607639 - 2¹¹ = 54605591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54607633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27303819 + 27303820.

It is an arithmetic number, because the mean of its divisors is an integer number (27303820).

Almost surely, 2^54607639 is an apocalyptic number.

54607639 is a deficient number, since it is larger than the sum of its proper divisors (1).

54607639 is an equidigital number, since it uses as much as digits as its factorization.

54607639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 54607639 is about 7389.6981670431. The cubic root of 54607639 is about 379.3887657341.

The spelling of 54607639 in words is "fifty-four million, six hundred seven thousand, six hundred thirty-nine".