55705751 has 2 divisors, whose sum is σ = 55705752. Its totient is φ = 55705750.

The previous prime is 55705733. The next prime is 55705807. The reversal of 55705751 is 15750755.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55705751 - 2⁶ = 55705687 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 (55705711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27852875 + 27852876.

It is an arithmetic number, because the mean of its divisors is an integer number (27852876).

Almost surely, 2^55705751 is an apocalyptic number.

55705751 is a deficient number, since it is larger than the sum of its proper divisors (1).

55705751 is an equidigital number, since it uses as much as digits as its factorization.

55705751 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30625, while the sum is 35.

The square root of 55705751 is about 7463.6285411320. The cubic root of 55705751 is about 381.9149664991.

The spelling of 55705751 in words is "fifty-five million, seven hundred five thousand, seven hundred fifty-one".