54090730 has 16 divisors (see below), whose sum is σ = 97700904. Its totient is φ = 21561280.

The previous prime is 54090721. The next prime is 54090731. The reversal of 54090730 is 3709045.

It can be written as a sum of positive squares in 4 ways, for example, as 42941809 + 11148921 = 6553^2 + 3339^2 .

It is not an unprimeable number, because it can be changed into a prime (54090731) 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, 6301 + ... + 12160.

Almost surely, 2^54090730 is an apocalyptic number.

54090730 is a deficient number, since it is larger than the sum of its proper divisors (43610174).

54090730 is a wasteful number, since it uses less digits than its factorization.

54090730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18761.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 54090730 is about 7354.6400319798. The cubic root of 54090730 is about 378.1878865878.

Adding to 54090730 its reverse (3709045), we get a palindrome (57799775).

The spelling of 54090730 in words is "fifty-four million, ninety thousand, seven hundred thirty".