51425010 has 288 divisors, whose sum is σ = 180247680. Its totient is φ = 10378368.

The previous prime is 51425009. The next prime is 51425041. The reversal of 51425010 is 1052415.

51425010 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 (18).

It is an unprimeable number.

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 143 ways as a sum of consecutive naturals, for example, 2235859 + ... + 2235881.

It is an arithmetic number, because the mean of its divisors is an integer number (625860).

Almost surely, 2^51425010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51425010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90123840).

51425010 is an abundant number, since it is smaller than the sum of its proper divisors (128822670).

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

51425010 is a wasteful number, since it uses less digits than its factorization.

51425010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 51425010 is about 7171.1233429638. The cubic root of 51425010 is about 371.8702721429.

Adding to 51425010 its reverse (1052415), we get a palindrome (52477425).

The spelling of 51425010 in words is "fifty-one million, four hundred twenty-five thousand, ten".