51746542 has 16 divisors (see below), whose sum is σ = 79116912. Its totient is φ = 25379200.

The previous prime is 51746537. The next prime is 51746627. The reversal of 51746542 is 24564715.

It is a junction number, because it is equal to n+sod(n) for n = 51746498 and 51746507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21693 + ... + 23959.

It is an arithmetic number, because the mean of its divisors is an integer number (4944807).

Almost surely, 2^51746542 is an apocalyptic number.

51746542 is a deficient number, since it is larger than the sum of its proper divisors (27370370).

51746542 is a wasteful number, since it uses less digits than its factorization.

51746542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2483.

The product of its digits is 33600, while the sum is 34.

The square root of 51746542 is about 7193.5069333393. The cubic root of 51746542 is about 372.6436951430.

The spelling of 51746542 in words is "fifty-one million, seven hundred forty-six thousand, five hundred forty-two".