55790599 has 2 divisors, whose sum is σ = 55790600. Its totient is φ = 55790598.

The previous prime is 55790587. The next prime is 55790621. The reversal of 55790599 is 99509755.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55790599 is a prime.

It is a super-2 number, since 2×55790599² = 6225181873557602, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55790509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27895299 + 27895300.

It is an arithmetic number, because the mean of its divisors is an integer number (27895300).

Almost surely, 2^55790599 is an apocalyptic number.

55790599 is a deficient number, since it is larger than the sum of its proper divisors (1).

55790599 is an equidigital number, since it uses as much as digits as its factorization.

55790599 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 637875, while the sum is 49.

The square root of 55790599 is about 7469.3104768780. The cubic root of 55790599 is about 382.1087722374.

The spelling of 55790599 in words is "fifty-five million, seven hundred ninety thousand, five hundred ninety-nine".