54953687 has 2 divisors, whose sum is σ = 54953688. Its totient is φ = 54953686.

The previous prime is 54953683. The next prime is 54953711. The reversal of 54953687 is 78635945.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54953687 - 2² = 54953683 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54953683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27476843 + 27476844.

It is an arithmetic number, because the mean of its divisors is an integer number (27476844).

Almost surely, 2^54953687 is an apocalyptic number.

54953687 is a deficient number, since it is larger than the sum of its proper divisors (1).

54953687 is an equidigital number, since it uses as much as digits as its factorization.

54953687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 907200, while the sum is 47.

The square root of 54953687 is about 7413.0754076834. The cubic root of 54953687 is about 380.1884729874.

The spelling of 54953687 in words is "fifty-four million, nine hundred fifty-three thousand, six hundred eighty-seven".