55744901 has 2 divisors, whose sum is σ = 55744902. Its totient is φ = 55744900.

The previous prime is 55744877. The next prime is 55744907. The reversal of 55744901 is 10944755.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46594276 + 9150625 = 6826^2 + 3025^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55744901 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55744907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27872450 + 27872451.

It is an arithmetic number, because the mean of its divisors is an integer number (27872451).

Almost surely, 2^55744901 is an apocalyptic number.

It is an amenable number.

55744901 is a deficient number, since it is larger than the sum of its proper divisors (1).

55744901 is an equidigital number, since it uses as much as digits as its factorization.

55744901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 55744901 is about 7466.2507994307. The cubic root of 55744901 is about 382.0044154895.

The spelling of 55744901 in words is "fifty-five million, seven hundred forty-four thousand, nine hundred one".