51474528 has 120 divisors (see below), whose sum is σ = 173072592. Its totient is φ = 14701824.

The previous prime is 51474499. The next prime is 51474547. The reversal of 51474528 is 82547415.

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 = 51474492 and 51474501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16726 + ... + 19562.

Almost surely, 2^51474528 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 51474528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86536296).

51474528 is an abundant number, since it is smaller than the sum of its proper divisors (121598064).

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

51474528 is a wasteful number, since it uses less digits than its factorization.

51474528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2866 (or 2849 counting only the distinct ones).

The product of its digits is 44800, while the sum is 36.

The square root of 51474528 is about 7174.5751093706. The cubic root of 51474528 is about 371.9895938816.

The spelling of 51474528 in words is "fifty-one million, four hundred seventy-four thousand, five hundred twenty-eight".