54252740 has 12 divisors (see below), whose sum is σ = 113930796. Its totient is φ = 21701088.

The previous prime is 54252719. The next prime is 54252743. The reversal of 54252740 is 4725245.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9523396 + 44729344 = 3086^2 + 6688^2 .

It is not an unprimeable number, because it can be changed into a prime (54252743) 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, 1356299 + ... + 1356338.

It is an arithmetic number, because the mean of its divisors is an integer number (9494233).

Almost surely, 2^54252740 is an apocalyptic number.

It is an amenable number.

54252740 is an abundant number, since it is smaller than the sum of its proper divisors (59678056).

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

54252740 is a wasteful number, since it uses less digits than its factorization.

54252740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2712646 (or 2712644 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 54252740 is about 7365.6459322995. The cubic root of 54252740 is about 378.5650870795.

Adding to 54252740 its reverse (4725245), we get a palindrome (58977985).

The spelling of 54252740 in words is "fifty-four million, two hundred fifty-two thousand, seven hundred forty".