54642563 has 2 divisors, whose sum is σ = 54642564. Its totient is φ = 54642562.

The previous prime is 54642557. The next prime is 54642647. The reversal of 54642563 is 36524645.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54642563 - 2¹⁴ = 54626179 is a prime.

It is not a weakly prime, because it can be changed into another prime (54642163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27321281 + 27321282.

It is an arithmetic number, because the mean of its divisors is an integer number (27321282).

Almost surely, 2^54642563 is an apocalyptic number.

54642563 is a deficient number, since it is larger than the sum of its proper divisors (1).

54642563 is an equidigital number, since it uses as much as digits as its factorization.

54642563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 35.

The square root of 54642563 is about 7392.0608087326. The cubic root of 54642563 is about 379.4696271294.

The spelling of 54642563 in words is "fifty-four million, six hundred forty-two thousand, five hundred sixty-three".