55717603 has 2 divisors, whose sum is σ = 55717604. Its totient is φ = 55717602.

The previous prime is 55717589. The next prime is 55717631. The reversal of 55717603 is 30671755.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55717603 - 2¹³ = 55709411 is a prime.

It is not a weakly prime, because it can be changed into another prime (55718603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27858801 + 27858802.

It is an arithmetic number, because the mean of its divisors is an integer number (27858802).

Almost surely, 2^55717603 is an apocalyptic number.

55717603 is a deficient number, since it is larger than the sum of its proper divisors (1).

55717603 is an equidigital number, since it uses as much as digits as its factorization.

55717603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22050, while the sum is 34.

The square root of 55717603 is about 7464.4224826841. The cubic root of 55717603 is about 381.9420500893.

The spelling of 55717603 in words is "fifty-five million, seven hundred seventeen thousand, six hundred three".