51256150 has 48 divisors (see below), whose sum is σ = 106586928. Its totient is φ = 18176000.

The previous prime is 51256099. The next prime is 51256151. The reversal of 51256150 is 5165215.

51256150 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51256151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21414 + ... + 23686.

It is an arithmetic number, because the mean of its divisors is an integer number (2220561).

Almost surely, 2^51256150 is an apocalyptic number.

51256150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51256150 is an abundant number, since it is smaller than the sum of its proper divisors (55330778).

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

51256150 is a wasteful number, since it uses less digits than its factorization.

51256150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2337 (or 2332 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 51256150 is about 7159.3400533848. The cubic root of 51256150 is about 371.4627993957.

The spelling of 51256150 in words is "fifty-one million, two hundred fifty-six thousand, one hundred fifty".