51453743 has 16 divisors (see below), whose sum is σ = 58678560. Its totient is φ = 44688000.

The previous prime is 51453709. The next prime is 51453749. The reversal of 51453743 is 34735415.

It is a cyclic number.

It is not a de Polignac number, because 51453743 - 2¹⁰ = 51452719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51453749) 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, 31421 + ... + 33017.

It is an arithmetic number, because the mean of its divisors is an integer number (3667410).

Almost surely, 2^51453743 is an apocalyptic number.

51453743 is a deficient number, since it is larger than the sum of its proper divisors (7224817).

51453743 is a wasteful number, since it uses less digits than its factorization.

51453743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738.

The product of its digits is 25200, while the sum is 32.

The square root of 51453743 is about 7173.1264452817. The cubic root of 51453743 is about 371.9395183399.

It can be divided in two parts, 5145 and 3743, that added together give a palindrome (8888).

The spelling of 51453743 in words is "fifty-one million, four hundred fifty-three thousand, seven hundred forty-three".