55766707 has 2 divisors, whose sum is σ = 55766708. Its totient is φ = 55766706.

The previous prime is 55766699. The next prime is 55766719. The reversal of 55766707 is 70766755.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55766707 - 2³ = 55766699 is a prime.

It is not a weakly prime, because it can be changed into another prime (55766107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27883353 + 27883354.

It is an arithmetic number, because the mean of its divisors is an integer number (27883354).

Almost surely, 2^55766707 is an apocalyptic number.

55766707 is a deficient number, since it is larger than the sum of its proper divisors (1).

55766707 is an equidigital number, since it uses as much as digits as its factorization.

55766707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 308700, while the sum is 43.

The square root of 55766707 is about 7467.7109611982. The cubic root of 55766707 is about 382.0542191619.

The spelling of 55766707 in words is "fifty-five million, seven hundred sixty-six thousand, seven hundred seven".