51011752 has 32 divisors (see below), whose sum is σ = 107169120. Its totient is φ = 22559040.

The previous prime is 51011729. The next prime is 51011759. The reversal of 51011752 is 25711015.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (51011759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4578 + ... + 11089.

It is an arithmetic number, because the mean of its divisors is an integer number (3349035).

Almost surely, 2^51011752 is an apocalyptic number.

It is an amenable number.

51011752 is an abundant number, since it is smaller than the sum of its proper divisors (56157368).

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

51011752 is a wasteful number, since it uses less digits than its factorization.

51011752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15721 (or 15717 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 22.

The square root of 51011752 is about 7142.2511857257. The cubic root of 51011752 is about 370.8714593577.

Adding to 51011752 its reverse (25711015), we get a palindrome (76722767).

The spelling of 51011752 in words is "fifty-one million, eleven thousand, seven hundred fifty-two".