51066424 has 16 divisors (see below), whose sum is σ = 98838720. Its totient is φ = 24709440.

The previous prime is 51066409. The next prime is 51066451. The reversal of 51066424 is 42466015.

It is a junction number, because it is equal to n+sod(n) for n = 51066392 and 51066401.

It is a congruent number.

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, 102709 + ... + 103204.

It is an arithmetic number, because the mean of its divisors is an integer number (6177420).

Almost surely, 2^51066424 is an apocalyptic number.

It is an amenable number.

51066424 is a deficient number, since it is larger than the sum of its proper divisors (47772296).

51066424 is a wasteful number, since it uses less digits than its factorization.

51066424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205950 (or 205946 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 51066424 is about 7146.0775254681. The cubic root of 51066424 is about 371.0039062562.

The spelling of 51066424 in words is "fifty-one million, sixty-six thousand, four hundred twenty-four".