51073224 has 16 divisors (see below), whose sum is σ = 127683120. Its totient is φ = 17024400.

The previous prime is 51073201. The next prime is 51073237. The reversal of 51073224 is 42237015.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 2128051 = 51073224 / (5 + 1 + 0 + 7 + 3 + 2 + 2 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 51073194 and 51073203.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1064002 + ... + 1064049.

It is an arithmetic number, because the mean of its divisors is an integer number (7980195).

Almost surely, 2^51073224 is an apocalyptic number.

It is an amenable number.

51073224 is an abundant number, since it is smaller than the sum of its proper divisors (76609896).

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

51073224 is a wasteful number, since it uses less digits than its factorization.

51073224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2128060 (or 2128056 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 51073224 is about 7146.5532951207. The cubic root of 51073224 is about 371.0203731398.

The spelling of 51073224 in words is "fifty-one million, seventy-three thousand, two hundred twenty-four".