54122250 has 192 divisors, whose sum is σ = 169917696. Its totient is φ = 11232000.

The previous prime is 54122227. The next prime is 54122269. The reversal of 54122250 is 5222145.

54122250 = 121² + 122² + ... + 547².

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 887220 + ... + 887280.

It is an arithmetic number, because the mean of its divisors is an integer number (884988).

Almost surely, 2^54122250 is an apocalyptic number.

54122250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 54122250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84958848).

54122250 is an abundant number, since it is smaller than the sum of its proper divisors (115795446).

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

54122250 is a wasteful number, since it uses less digits than its factorization.

54122250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 54122250 is about 7356.7825847989. The cubic root of 54122250 is about 378.2613321207.

Adding to 54122250 its reverse (5222145), we get a palindrome (59344395).

It can be divided in two parts, 541 and 22250, that added together give a triangular number (22791 = T₂₁₃).

The spelling of 54122250 in words is "fifty-four million, one hundred twenty-two thousand, two hundred fifty".