55883647 has 2 divisors, whose sum is σ = 55883648. Its totient is φ = 55883646.

The previous prime is 55883627. The next prime is 55883689. The reversal of 55883647 is 74638855.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55883647 - 2⁷ = 55883519 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 55883597 and 55883606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55883627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27941823 + 27941824.

It is an arithmetic number, because the mean of its divisors is an integer number (27941824).

Almost surely, 2^55883647 is an apocalyptic number.

55883647 is a deficient number, since it is larger than the sum of its proper divisors (1).

55883647 is an equidigital number, since it uses as much as digits as its factorization.

55883647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 806400, while the sum is 46.

The square root of 55883647 is about 7475.5365693708. The cubic root of 55883647 is about 382.3210822560.

The spelling of 55883647 in words is "fifty-five million, eight hundred eighty-three thousand, six hundred forty-seven".