51773366 has 8 divisors (see below), whose sum is σ = 81747480. Its totient is φ = 24524208.

The previous prime is 51773363. The next prime is 51773369. The reversal of 51773366 is 66337715.

It is an interprime number because it is at equal distance from previous prime (51773363) and next prime (51773369).

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

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 1362457 = 51773366 / (5 + 1 + 7 + 7 + 3 + 3 + 6 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51773363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 681191 + ... + 681266.

It is an arithmetic number, because the mean of its divisors is an integer number (10218435).

Almost surely, 2^51773366 is an apocalyptic number.

51773366 is a deficient number, since it is larger than the sum of its proper divisors (29974114).

51773366 is a wasteful number, since it uses less digits than its factorization.

51773366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362478.

The product of its digits is 79380, while the sum is 38.

The square root of 51773366 is about 7195.3711509553. The cubic root of 51773366 is about 372.7080734725.

The spelling of 51773366 in words is "fifty-one million, seven hundred seventy-three thousand, three hundred sixty-six".