54250440 has 32 divisors (see below), whose sum is σ = 162751680. Its totient is φ = 14466752.

The previous prime is 54250397. The next prime is 54250459. The reversal of 54250440 is 4405245.

It is a super-2 number, since 2×54250440² = 5886220480387200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 54250440.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225924 + ... + 226163.

It is an arithmetic number, because the mean of its divisors is an integer number (5085990).

Almost surely, 2^54250440 is an apocalyptic number.

It is an amenable number.

54250440 is an abundant number, since it is smaller than the sum of its proper divisors (108501240).

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

54250440 is a wasteful number, since it uses less digits than its factorization.

54250440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452101 (or 452097 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 54250440 is about 7365.4898004138. The cubic root of 54250440 is about 378.5597373528.

Adding to 54250440 its reverse (4405245), we get a palindrome (58655685).

The spelling of 54250440 in words is "fifty-four million, two hundred fifty thousand, four hundred forty".