51103150 has 24 divisors (see below), whose sum is σ = 108631440. Its totient is φ = 17520960.

The previous prime is 51103121. The next prime is 51103153. The reversal of 51103150 is 5130115.

It is a super-2 number, since 2×51103150² = 5223063879845000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51103153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72655 + ... + 73354.

It is an arithmetic number, because the mean of its divisors is an integer number (4526310).

Almost surely, 2^51103150 is an apocalyptic number.

51103150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51103150 is an abundant number, since it is smaller than the sum of its proper divisors (57528290).

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

51103150 is a wasteful number, since it uses less digits than its factorization.

51103150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146028 (or 146023 counting only the distinct ones).

The product of its (nonzero) digits is 75, while the sum is 16.

The square root of 51103150 is about 7148.6467250802. The cubic root of 51103150 is about 371.0928245923.

Adding to 51103150 its reverse (5130115), we get a palindrome (56233265).

The spelling of 51103150 in words is "fifty-one million, one hundred three thousand, one hundred fifty".