59563991 has 2 divisors, whose sum is σ = 59563992. Its totient is φ = 59563990.

The previous prime is 59563979. The next prime is 59564003. The reversal of 59563991 is 19936595.

It is a balanced prime because it is at equal distance from previous prime (59563979) and next prime (59564003).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-59563991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (59563921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29781995 + 29781996.

It is an arithmetic number, because the mean of its divisors is an integer number (29781996).

Almost surely, 2^59563991 is an apocalyptic number.

59563991 is a deficient number, since it is larger than the sum of its proper divisors (1).

59563991 is an equidigital number, since it uses as much as digits as its factorization.

59563991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 328050, while the sum is 47.

The square root of 59563991 is about 7717.7711160671. The cubic root of 59563991 is about 390.5361702738.

The spelling of 59563991 in words is "fifty-nine million, five hundred sixty-three thousand, nine hundred ninety-one".