51746901 has 8 divisors (see below), whose sum is σ = 69298080. Its totient is φ = 34346832.

The previous prime is 51746887. The next prime is 51746911. The reversal of 51746901 is 10964715.

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

It is not a de Polignac number, because 51746901 - 2⁶ = 51746837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51746911) 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, 36975 + ... + 38348.

It is an arithmetic number, because the mean of its divisors is an integer number (8662260).

Almost surely, 2^51746901 is an apocalyptic number.

It is an amenable number.

51746901 is a deficient number, since it is larger than the sum of its proper divisors (17551179).

51746901 is a wasteful number, since it uses less digits than its factorization.

51746901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75555.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 51746901 is about 7193.5318863546. The cubic root of 51746901 is about 372.6445568996.

The spelling of 51746901 in words is "fifty-one million, seven hundred forty-six thousand, nine hundred one".