51729094 has 4 divisors (see below), whose sum is σ = 77593644. Its totient is φ = 25864546.

The previous prime is 51729091. The next prime is 51729101. The reversal of 51729094 is 49092715.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51729091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12932272 + ... + 12932275.

It is an arithmetic number, because the mean of its divisors is an integer number (19398411).

Almost surely, 2^51729094 is an apocalyptic number.

51729094 is a deficient number, since it is larger than the sum of its proper divisors (25864550).

51729094 is a wasteful number, since it uses less digits than its factorization.

51729094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25864549.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 51729094 is about 7192.2940707399. The cubic root of 51729094 is about 372.6018075253.

The spelling of 51729094 in words is "fifty-one million, seven hundred twenty-nine thousand, ninety-four".