54387473 has 4 divisors (see below), whose sum is σ = 62157120. Its totient is φ = 46617828.

The previous prime is 54387461. The next prime is 54387497. The reversal of 54387473 is 37478345.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54387473 - 2¹⁴ = 54371089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 54387473.

It is not an unprimeable number, because it can be changed into a prime (54389473) 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, 3884813 + ... + 3884826.

It is an arithmetic number, because the mean of its divisors is an integer number (15539280).

Almost surely, 2^54387473 is an apocalyptic number.

It is an amenable number.

54387473 is a deficient number, since it is larger than the sum of its proper divisors (7769647).

54387473 is an equidigital number, since it uses as much as digits as its factorization.

54387473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7769646.

The product of its digits is 282240, while the sum is 41.

The square root of 54387473 is about 7374.7863019887. The cubic root of 54387473 is about 378.8782082563.

The spelling of 54387473 in words is "fifty-four million, three hundred eighty-seven thousand, four hundred seventy-three".