53897465 has 8 divisors (see below), whose sum is σ = 65737608. Its totient is φ = 42410880.

The previous prime is 53897453. The next prime is 53897479. The reversal of 53897465 is 56479835.

It can be written as a sum of positive squares in 4 ways, for example, as 724201 + 53173264 = 851^2 + 7292^2 .

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

It is not a de Polignac number, because 53897465 - 2¹² = 53893369 is a prime.

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, 88052 + ... + 88661.

It is an arithmetic number, because the mean of its divisors is an integer number (8217201).

Almost surely, 2^53897465 is an apocalyptic number.

It is an amenable number.

53897465 is a deficient number, since it is larger than the sum of its proper divisors (11840143).

53897465 is a wasteful number, since it uses less digits than its factorization.

53897465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176779.

The product of its digits is 907200, while the sum is 47.

The square root of 53897465 is about 7341.4892903280. The cubic root of 53897465 is about 377.7369300478.

The spelling of 53897465 in words is "fifty-three million, eight hundred ninety-seven thousand, four hundred sixty-five".