54407493 has 18 divisors (see below), whose sum is σ = 91420134. Its totient is φ = 31089744.

The previous prime is 54407473. The next prime is 54407543. The reversal of 54407493 is 39470445.

54407493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 46009089 + 8398404 = 6783^2 + 2898^2 .

It is not a de Polignac number, because 54407493 - 2⁸ = 54407237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54407453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 61246 + ... + 62127.

Almost surely, 2^54407493 is an apocalyptic number.

It is an amenable number.

54407493 is a deficient number, since it is larger than the sum of its proper divisors (37012641).

54407493 is a wasteful number, since it uses less digits than its factorization.

54407493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123393 (or 123383 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 54407493 is about 7376.1435045693. The cubic root of 54407493 is about 378.9246908426.

The spelling of 54407493 in words is "fifty-four million, four hundred seven thousand, four hundred ninety-three".