54612865 has 4 divisors (see below), whose sum is σ = 65535444. Its totient is φ = 43690288.

The previous prime is 54612863. The next prime is 54612869. The reversal of 54612865 is 56821645.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29931841 + 24681024 = 5471^2 + 4968^2 .

It is a cyclic number.

It is not a de Polignac number, because 54612865 - 2¹ = 54612863 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54612863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5461282 + ... + 5461291.

It is an arithmetic number, because the mean of its divisors is an integer number (16383861).

Almost surely, 2^54612865 is an apocalyptic number.

It is an amenable number.

54612865 is a deficient number, since it is larger than the sum of its proper divisors (10922579).

54612865 is a wasteful number, since it uses less digits than its factorization.

54612865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10922578.

The product of its digits is 57600, while the sum is 37.

The square root of 54612865 is about 7390.0517589527. The cubic root of 54612865 is about 379.4008679630.

The spelling of 54612865 in words is "fifty-four million, six hundred twelve thousand, eight hundred sixty-five".