54197065 has 8 divisors (see below), whose sum is σ = 70039368. Its totient is φ = 40022400.

The previous prime is 54197051. The next prime is 54197093. The reversal of 54197065 is 56079145.

It can be written as a sum of positive squares in 4 ways, for example, as 6130576 + 48066489 = 2476^2 + 6933^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54197065 - 2⁷ = 54196937 is a prime.

It is a super-2 number, since 2×54197065² = 5874643709228450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 416836 + ... + 416965.

It is an arithmetic number, because the mean of its divisors is an integer number (8754921).

Almost surely, 2^54197065 is an apocalyptic number.

It is an amenable number.

54197065 is a deficient number, since it is larger than the sum of its proper divisors (15842303).

54197065 is a wasteful number, since it uses less digits than its factorization.

54197065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833819.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 54197065 is about 7361.8655923618. The cubic root of 54197065 is about 378.4355463101.

The spelling of 54197065 in words is "fifty-four million, one hundred ninety-seven thousand, sixty-five".