54172465 has 4 divisors (see below), whose sum is σ = 65006964. Its totient is φ = 43337968.

The previous prime is 54172451. The next prime is 54172471. The reversal of 54172465 is 56427145.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56427145 = 5 ⋅11285429.

It can be written as a sum of positive squares in 2 ways, for example, as 8785296 + 45387169 = 2964^2 + 6737^2 .

It is a cyclic number.

It is not a de Polignac number, because 54172465 - 2¹⁵ = 54139697 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54172465.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5417242 + ... + 5417251.

It is an arithmetic number, because the mean of its divisors is an integer number (16251741).

Almost surely, 2^54172465 is an apocalyptic number.

It is an amenable number.

54172465 is a deficient number, since it is larger than the sum of its proper divisors (10834499).

54172465 is a wasteful number, since it uses less digits than its factorization.

54172465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10834498.

The product of its digits is 33600, while the sum is 34.

The square root of 54172465 is about 7360.1946305787. The cubic root of 54172465 is about 378.3782804580.

The spelling of 54172465 in words is "fifty-four million, one hundred seventy-two thousand, four hundred sixty-five".