51773437 has 8 divisors (see below), whose sum is σ = 54104256. Its totient is φ = 49449312.

The previous prime is 51773431. The next prime is 51773443. The reversal of 51773437 is 73437715.

It is the 2938-th star number.

It is an interprime number because it is at equal distance from previous prime (51773431) and next prime (51773443).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51773437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51773396 and 51773405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51773431) 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, 20593 + ... + 22969.

It is an arithmetic number, because the mean of its divisors is an integer number (6763032).

Almost surely, 2^51773437 is an apocalyptic number.

It is an amenable number.

51773437 is a deficient number, since it is larger than the sum of its proper divisors (2330819).

51773437 is a wasteful number, since it uses less digits than its factorization.

51773437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3347.

The product of its digits is 61740, while the sum is 37.

The square root of 51773437 is about 7195.3760846811. The cubic root of 51773437 is about 372.7082438449.

The spelling of 51773437 in words is "fifty-one million, seven hundred seventy-three thousand, four hundred thirty-seven".