65548497 has 32 divisors (see below), whose sum is σ = 106156800. Its totient is φ = 35175168.

The previous prime is 65548487. The next prime is 65548507. The reversal of 65548497 is 79484556.

It is an interprime number because it is at equal distance from previous prime (65548487) and next prime (65548507).

It is not a de Polignac number, because 65548497 - 2¹⁴ = 65532113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65548487) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21079 + ... + 23987.

It is an arithmetic number, because the mean of its divisors is an integer number (3317400).

Almost surely, 2^65548497 is an apocalyptic number.

It is an amenable number.

65548497 is a deficient number, since it is larger than the sum of its proper divisors (40608303).

65548497 is a wasteful number, since it uses less digits than its factorization.

65548497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2985.

The product of its digits is 1209600, while the sum is 48.

The square root of 65548497 is about 8096.2026283931. The cubic root of 65548497 is about 403.2003613450.

It can be divided in two parts, 6554 and 8497, that added together give a palindrome (15051).

The spelling of 65548497 in words is "sixty-five million, five hundred forty-eight thousand, four hundred ninety-seven".