51225350 has 36 divisors (see below), whose sum is σ = 104740692. Its totient is φ = 18625200.

The previous prime is 51225331. The next prime is 51225371. The reversal of 51225350 is 5352215.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1817 + ... + 10283.

Almost surely, 2^51225350 is an apocalyptic number.

51225350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51225350 is an abundant number, since it is smaller than the sum of its proper divisors (53515342).

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

51225350 is a wasteful number, since it uses less digits than its factorization.

51225350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8501 (or 8485 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 51225350 is about 7157.1886938937. The cubic root of 51225350 is about 371.3883800552.

Adding to 51225350 its reverse (5352215), we get a palindrome (56577565).

It can be divided in two parts, 5 and 1225350, that multiplied together give a triangular number (6126750 = T₃₅₀₀).

The spelling of 51225350 in words is "fifty-one million, two hundred twenty-five thousand, three hundred fifty".