55743577 has 2 divisors, whose sum is σ = 55743578. Its totient is φ = 55743576.

The previous prime is 55743563. The next prime is 55743593. The reversal of 55743577 is 77534755.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55190041 + 553536 = 7429^2 + 744^2 .

It is a cyclic number.

It is not a de Polignac number, because 55743577 - 2²³ = 47354969 is a prime.

It is not a weakly prime, because it can be changed into another prime (55743977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27871788 + 27871789.

It is an arithmetic number, because the mean of its divisors is an integer number (27871789).

Almost surely, 2^55743577 is an apocalyptic number.

It is an amenable number.

55743577 is a deficient number, since it is larger than the sum of its proper divisors (1).

55743577 is an equidigital number, since it uses as much as digits as its factorization.

55743577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 514500, while the sum is 43.

The square root of 55743577 is about 7466.1621332516. The cubic root of 55743577 is about 382.0013911300.

The spelling of 55743577 in words is "fifty-five million, seven hundred forty-three thousand, five hundred seventy-seven".