55863601 has 2 divisors, whose sum is σ = 55863602. Its totient is φ = 55863600.

The previous prime is 55863571. The next prime is 55863611. The reversal of 55863601 is 10636855.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46253601 + 9610000 = 6801^2 + 3100^2 .

It is a cyclic number.

It is not a de Polignac number, because 55863601 - 2⁷ = 55863473 is a prime.

It is not a weakly prime, because it can be changed into another prime (55863611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27931800 + 27931801.

It is an arithmetic number, because the mean of its divisors is an integer number (27931801).

Almost surely, 2^55863601 is an apocalyptic number.

It is an amenable number.

55863601 is a deficient number, since it is larger than the sum of its proper divisors (1).

55863601 is an equidigital number, since it uses as much as digits as its factorization.

55863601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 55863601 is about 7474.1956757901. The cubic root of 55863601 is about 382.2753627096.

The spelling of 55863601 in words is "fifty-five million, eight hundred sixty-three thousand, six hundred one".