55377359 has 2 divisors, whose sum is σ = 55377360. Its totient is φ = 55377358.

The previous prime is 55377349. The next prime is 55377379. The reversal of 55377359 is 95377355.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55377359 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 (55377319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27688679 + 27688680.

It is an arithmetic number, because the mean of its divisors is an integer number (27688680).

Almost surely, 2^55377359 is an apocalyptic number.

55377359 is a deficient number, since it is larger than the sum of its proper divisors (1).

55377359 is an equidigital number, since it uses as much as digits as its factorization.

55377359 is an evil number, because the sum of its binary digits is even.

The product of its digits is 496125, while the sum is 44.

The square root of 55377359 is about 7441.5965356904. The cubic root of 55377359 is about 381.1630089440.

The spelling of 55377359 in words is "fifty-five million, three hundred seventy-seven thousand, three hundred fifty-nine".