58647997 has 6 divisors (see below), whose sum is σ = 60280958. Its totient is φ = 57017592.

The previous prime is 58647989. The next prime is 58648019. The reversal of 58647997 is 79974685.

It can be written as a sum of positive squares in only one way, i.e., 57062916 + 1585081 = 7554^2 + 1259^2 .

It is not a de Polignac number, because 58647997 - 2³ = 58647989 is a prime.

It is a super-2 number, since 2×58647997² = 6879175104224018, which contains 22 as substring.

It is a Duffinian number.

Its product of digits (3810240) is a multiple of the sum of its prime divisors (1296).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58647937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45954 + ... + 47212.

Almost surely, 2^58647997 is an apocalyptic number.

It is an amenable number.

58647997 is a deficient number, since it is larger than the sum of its proper divisors (1632961).

58647997 is an frugal number, since it uses more digits than its factorization.

58647997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2555 (or 1296 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 55.

The square root of 58647997 is about 7658.1980256455. The cubic root of 58647997 is about 388.5238897691.

It can be divided in two parts, 5864 and 7997, that added together give a triangular number (13861 = T₁₆₆).

The spelling of 58647997 in words is "fifty-eight million, six hundred forty-seven thousand, nine hundred ninety-seven".