55893577 has 2 divisors, whose sum is σ = 55893578. Its totient is φ = 55893576.

The previous prime is 55893571. The next prime is 55893581. The reversal of 55893577 is 77539855.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37711881 + 18181696 = 6141^2 + 4264^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55893577 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55893577.

It is not a weakly prime, because it can be changed into another prime (55893571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27946788 + 27946789.

It is an arithmetic number, because the mean of its divisors is an integer number (27946789).

Almost surely, 2^55893577 is an apocalyptic number.

It is an amenable number.

55893577 is a deficient number, since it is larger than the sum of its proper divisors (1).

55893577 is an equidigital number, since it uses as much as digits as its factorization.

55893577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1323000, while the sum is 49.

The square root of 55893577 is about 7476.2007062411. The cubic root of 55893577 is about 382.3437258719.

The spelling of 55893577 in words is "fifty-five million, eight hundred ninety-three thousand, five hundred seventy-seven".