54640358 has 8 divisors (see below), whose sum is σ = 83866728. Its totient is φ = 26684784.

The previous prime is 54640351. The next prime is 54640361. The reversal of 54640358 is 85304645.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54640351) 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, 317591 + ... + 317762.

It is an arithmetic number, because the mean of its divisors is an integer number (10483341).

Almost surely, 2^54640358 is an apocalyptic number.

54640358 is a deficient number, since it is larger than the sum of its proper divisors (29226370).

54640358 is a wasteful number, since it uses less digits than its factorization.

54640358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635398.

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 54640358 is about 7391.9116607276. The cubic root of 54640358 is about 379.4645227948.

It can be divided in two parts, 546 and 40358, that added together give a palindrome (40904).

The spelling of 54640358 in words is "fifty-four million, six hundred forty thousand, three hundred fifty-eight".