54645659 has 2 divisors, whose sum is σ = 54645660. Its totient is φ = 54645658.

The previous prime is 54645637. The next prime is 54645671. The reversal of 54645659 is 95654645.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54645659 is a prime.

It is a super-2 number, since 2×54645659² = 5972296095088562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54642659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27322829 + 27322830.

It is an arithmetic number, because the mean of its divisors is an integer number (27322830).

Almost surely, 2^54645659 is an apocalyptic number.

54645659 is a deficient number, since it is larger than the sum of its proper divisors (1).

54645659 is an equidigital number, since it uses as much as digits as its factorization.

54645659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648000, while the sum is 44.

The square root of 54645659 is about 7392.2702196281. The cubic root of 54645659 is about 379.4767938002.

The spelling of 54645659 in words is "fifty-four million, six hundred forty-five thousand, six hundred fifty-nine".