55654747 has 2 divisors, whose sum is σ = 55654748. Its totient is φ = 55654746.

The previous prime is 55654727. The next prime is 55654751. The reversal of 55654747 is 74745655.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55654747 is a prime.

It is not a weakly prime, because it can be changed into another prime (55654727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27827373 + 27827374.

It is an arithmetic number, because the mean of its divisors is an integer number (27827374).

Almost surely, 2^55654747 is an apocalyptic number.

55654747 is a deficient number, since it is larger than the sum of its proper divisors (1).

55654747 is an equidigital number, since it uses as much as digits as its factorization.

55654747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 588000, while the sum is 43.

The square root of 55654747 is about 7460.2109219512. The cubic root of 55654747 is about 381.7983708834.

The spelling of 55654747 in words is "fifty-five million, six hundred fifty-four thousand, seven hundred forty-seven".