55916767 has 2 divisors, whose sum is σ = 55916768. Its totient is φ = 55916766.

The previous prime is 55916741. The next prime is 55916797. The reversal of 55916767 is 76761955.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55916767 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55916737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27958383 + 27958384.

It is an arithmetic number, because the mean of its divisors is an integer number (27958384).

Almost surely, 2^55916767 is an apocalyptic number.

55916767 is a deficient number, since it is larger than the sum of its proper divisors (1).

55916767 is an equidigital number, since it uses as much as digits as its factorization.

55916767 is an evil number, because the sum of its binary digits is even.

The product of its digits is 396900, while the sum is 46.

The square root of 55916767 is about 7477.7514668515. The cubic root of 55916767 is about 382.3965961391.

The spelling of 55916767 in words is "fifty-five million, nine hundred sixteen thousand, seven hundred sixty-seven".