54142250 has 16 divisors (see below), whose sum is σ = 101354760. Its totient is φ = 21656800.

The previous prime is 54142247. The next prime is 54142271. The reversal of 54142250 is 5224145.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 17986081 + 36156169 = 4241^2 + 6013^2 .

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, 108035 + ... + 108534.

Almost surely, 2^54142250 is an apocalyptic number.

54142250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

54142250 is a deficient number, since it is larger than the sum of its proper divisors (47212510).

54142250 is a wasteful number, since it uses less digits than its factorization.

54142250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216586 (or 216576 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 54142250 is about 7358.1417491103. The cubic root of 54142250 is about 378.3079198301.

Adding to 54142250 its reverse (5224145), we get a palindrome (59366395).

The spelling of 54142250 in words is "fifty-four million, one hundred forty-two thousand, two hundred fifty".