54601691 has 2 divisors, whose sum is σ = 54601692. Its totient is φ = 54601690.

The previous prime is 54601667. The next prime is 54601699. The reversal of 54601691 is 19610645.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54601691 - 2²² = 50407387 is a prime.

It is not a weakly prime, because it can be changed into another prime (54601699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27300845 + 27300846.

It is an arithmetic number, because the mean of its divisors is an integer number (27300846).

Almost surely, 2^54601691 is an apocalyptic number.

54601691 is a deficient number, since it is larger than the sum of its proper divisors (1).

54601691 is an equidigital number, since it uses as much as digits as its factorization.

54601691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 54601691 is about 7389.2957039220. The cubic root of 54601691 is about 379.3749905776.

The spelling of 54601691 in words is "fifty-four million, six hundred one thousand, six hundred ninety-one".