54312250 has 32 divisors (see below), whose sum is σ = 102857040. Its totient is φ = 21472000.

The previous prime is 54312233. The next prime is 54312253. The reversal of 54312250 is 5221345.

It can be written as a sum of positive squares in 8 ways, for example, as 2601769 + 51710481 = 1613^2 + 7191^2 .

It is not an unprimeable number, because it can be changed into a prime (54312253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21030 + ... + 23470.

Almost surely, 2^54312250 is an apocalyptic number.

54312250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

54312250 is a deficient number, since it is larger than the sum of its proper divisors (48544790).

54312250 is a wasteful number, since it uses less digits than its factorization.

54312250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2547 (or 2537 counting only the distinct ones).

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

The square root of 54312250 is about 7369.6845251340. The cubic root of 54312250 is about 378.7034529094.

Adding to 54312250 its reverse (5221345), we get a palindrome (59533595).

The spelling of 54312250 in words is "fifty-four million, three hundred twelve thousand, two hundred fifty".