51147024 has 80 divisors (see below), whose sum is σ = 140229120. Its totient is φ = 16035840.

The previous prime is 51147013. The next prime is 51147029. The reversal of 51147024 is 42074115.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 51146985 and 51147003.

It is not an unprimeable number, because it can be changed into a prime (51147029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54592 + ... + 55520.

It is an arithmetic number, because the mean of its divisors is an integer number (1752864).

Almost surely, 2^51147024 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 51147024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70114560).

51147024 is an abundant number, since it is smaller than the sum of its proper divisors (89082096).

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

51147024 is a wasteful number, since it uses less digits than its factorization.

51147024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008 (or 1002 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 51147024 is about 7151.7147594126. The cubic root of 51147024 is about 371.1989933212.

The spelling of 51147024 in words is "fifty-one million, one hundred forty-seven thousand, twenty-four".