51224073 has 8 divisors (see below), whose sum is σ = 68333088. Its totient is φ = 34132224.

The previous prime is 51224029. The next prime is 51224081. The reversal of 51224073 is 37042215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51224073 - 2⁸ = 51223817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51224093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6690 + ... + 12132.

It is an arithmetic number, because the mean of its divisors is an integer number (8541636).

Almost surely, 2^51224073 is an apocalyptic number.

It is an amenable number.

51224073 is a deficient number, since it is larger than the sum of its proper divisors (17109015).

51224073 is a wasteful number, since it uses less digits than its factorization.

51224073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8583.

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

The square root of 51224073 is about 7157.0994823322. The cubic root of 51224073 is about 371.3852939081.

Adding to 51224073 its reverse (37042215), we get a palindrome (88266288).

The spelling of 51224073 in words is "fifty-one million, two hundred twenty-four thousand, seventy-three".