55940767 has 2 divisors, whose sum is σ = 55940768. Its totient is φ = 55940766.

The previous prime is 55940743. The next prime is 55940789. The reversal of 55940767 is 76704955.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55940767 - 2¹⁹ = 55416479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55944767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27970383 + 27970384.

It is an arithmetic number, because the mean of its divisors is an integer number (27970384).

Almost surely, 2^55940767 is an apocalyptic number.

55940767 is a deficient number, since it is larger than the sum of its proper divisors (1).

55940767 is an equidigital number, since it uses as much as digits as its factorization.

55940767 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 264600, while the sum is 43.

The square root of 55940767 is about 7479.3560551695. The cubic root of 55940767 is about 382.4512977136.

The spelling of 55940767 in words is "fifty-five million, nine hundred forty thousand, seven hundred sixty-seven".