51424596 has 72 divisors (see below), whose sum is σ = 136805760. Its totient is φ = 16256064.

The previous prime is 51424591. The next prime is 51424613. The reversal of 51424596 is 69542415.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 51424596.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51424591) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 143065 + ... + 143423.

It is an arithmetic number, because the mean of its divisors is an integer number (1900080).

Almost surely, 2^51424596 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51424596, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68402880).

51424596 is an abundant number, since it is smaller than the sum of its proper divisors (85381164).

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

51424596 is a wasteful number, since it uses less digits than its factorization.

51424596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565 (or 560 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 51424596 is about 7171.0944771353. The cubic root of 51424596 is about 371.8692742192.

The spelling of 51424596 in words is "fifty-one million, four hundred twenty-four thousand, five hundred ninety-six".