55461767 has 2 divisors, whose sum is σ = 55461768. Its totient is φ = 55461766.

The previous prime is 55461761. The next prime is 55461793. The reversal of 55461767 is 76716455.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55461767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55461761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27730883 + 27730884.

It is an arithmetic number, because the mean of its divisors is an integer number (27730884).

Almost surely, 2^55461767 is an apocalyptic number.

55461767 is a deficient number, since it is larger than the sum of its proper divisors (1).

55461767 is an equidigital number, since it uses as much as digits as its factorization.

55461767 is an evil number, because the sum of its binary digits is even.

The product of its digits is 176400, while the sum is 41.

The square root of 55461767 is about 7447.2657398538. The cubic root of 55461767 is about 381.3565710494.

The spelling of 55461767 in words is "fifty-five million, four hundred sixty-one thousand, seven hundred sixty-seven".