55744877 has 2 divisors, whose sum is σ = 55744878. Its totient is φ = 55744876.

The previous prime is 55744861. The next prime is 55744901. The reversal of 55744877 is 77844755.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55741156 + 3721 = 7466^2 + 61^2 .

It is a cyclic number.

It is not a de Polignac number, because 55744877 - 2⁴ = 55744861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55744807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27872438 + 27872439.

It is an arithmetic number, because the mean of its divisors is an integer number (27872439).

Almost surely, 2^55744877 is an apocalyptic number.

It is an amenable number.

55744877 is a deficient number, since it is larger than the sum of its proper divisors (1).

55744877 is an equidigital number, since it uses as much as digits as its factorization.

55744877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1097600, while the sum is 47.

The square root of 55744877 is about 7466.2491921982. The cubic root of 55744877 is about 382.0043606677.

The spelling of 55744877 in words is "fifty-five million, seven hundred forty-four thousand, eight hundred seventy-seven".