51854328 has 96 divisors (see below), whose sum is σ = 148206240. Its totient is φ = 16346880.

The previous prime is 51854321. The next prime is 51854329. The reversal of 51854328 is 82345815.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 51854292 and 51854301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51854321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 286398 + ... + 286578.

It is an arithmetic number, because the mean of its divisors is an integer number (1543815).

Almost surely, 2^51854328 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 51854328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74103120).

51854328 is an abundant number, since it is smaller than the sum of its proper divisors (96351912).

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

51854328 is a wasteful number, since it uses less digits than its factorization.

51854328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389 (or 382 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 51854328 is about 7200.9949312578. The cubic root of 51854328 is about 372.9022497317.

The spelling of 51854328 in words is "fifty-one million, eight hundred fifty-four thousand, three hundred twenty-eight".