54815407 has 8 divisors (see below), whose sum is σ = 55287680. Its totient is φ = 54345600.

The previous prime is 54815357. The next prime is 54815443. The reversal of 54815407 is 70451845.

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

It is a cyclic number.

It is not a de Polignac number, because 54815407 - 2¹¹ = 54813359 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54815477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90907 + ... + 91507.

It is an arithmetic number, because the mean of its divisors is an integer number (6910960).

Almost surely, 2^54815407 is an apocalyptic number.

54815407 is a deficient number, since it is larger than the sum of its proper divisors (472273).

54815407 is a wasteful number, since it uses less digits than its factorization.

54815407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233.

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 54815407 is about 7403.7427697078. The cubic root of 54815407 is about 379.8693156345.

The spelling of 54815407 in words is "fifty-four million, eight hundred fifteen thousand, four hundred seven".