51229368 has 32 divisors (see below), whose sum is σ = 142304400. Its totient is φ = 17076384.

The previous prime is 51229363. The next prime is 51229393. The reversal of 51229368 is 86392215.

51229368 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 (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51229363) 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 7 ways as a sum of consecutive naturals, for example, 118371 + ... + 118802.

Almost surely, 2^51229368 is an apocalyptic number.

It is an amenable number.

51229368 is an abundant number, since it is smaller than the sum of its proper divisors (91075032).

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

51229368 is a wasteful number, since it uses less digits than its factorization.

51229368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237188 (or 237178 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 51229368 is about 7157.4693851947. The cubic root of 51229368 is about 371.3980900881.

The spelling of 51229368 in words is "fifty-one million, two hundred twenty-nine thousand, three hundred sixty-eight".