54503140 has 12 divisors (see below), whose sum is σ = 114456636. Its totient is φ = 21801248.

The previous prime is 54503129. The next prime is 54503143. The reversal of 54503140 is 4130545.

It can be written as a sum of positive squares in 2 ways, for example, as 20304036 + 34199104 = 4506^2 + 5848^2 .

It is not an unprimeable number, because it can be changed into a prime (54503143) 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, 1362559 + ... + 1362598.

It is an arithmetic number, because the mean of its divisors is an integer number (9538053).

Almost surely, 2^54503140 is an apocalyptic number.

It is an amenable number.

54503140 is an abundant number, since it is smaller than the sum of its proper divisors (59953496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54503140 is a wasteful number, since it uses less digits than its factorization.

54503140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2725166 (or 2725164 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 54503140 is about 7382.6241946885. The cubic root of 54503140 is about 379.1466075341.

Adding to 54503140 its reverse (4130545), we get a palindrome (58633685).

The spelling of 54503140 in words is "fifty-four million, five hundred three thousand, one hundred forty".