51258752 has 64 divisors (see below), whose sum is σ = 106814400. Its totient is φ = 24482304.

The previous prime is 51258731. The next prime is 51258769. The reversal of 51258752 is 25785215.

It is a tau number, because it is divible by the number of its divisors (64).

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 368699 + ... + 368837.

It is an arithmetic number, because the mean of its divisors is an integer number (1668975).

Almost surely, 2^51258752 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 51258752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53407200).

51258752 is an abundant number, since it is smaller than the sum of its proper divisors (55555648).

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

51258752 is a wasteful number, since it uses less digits than its factorization.

51258752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263 (or 251 counting only the distinct ones).

The product of its digits is 28000, while the sum is 35.

The square root of 51258752 is about 7159.5217717387. The cubic root of 51258752 is about 371.4690850145.

The spelling of 51258752 in words is "fifty-one million, two hundred fifty-eight thousand, seven hundred fifty-two".