51066406 has 8 divisors (see below), whose sum is σ = 76643640. Its totient is φ = 25518528.

The previous prime is 51066403. The next prime is 51066409. The reversal of 51066406 is 60466015.

It is an interprime number because it is at equal distance from previous prime (51066403) and next prime (51066409).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51066403) 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, 2296 + ... + 10363.

It is an arithmetic number, because the mean of its divisors is an integer number (9580455).

Almost surely, 2^51066406 is an apocalyptic number.

51066406 is a deficient number, since it is larger than the sum of its proper divisors (25577234).

51066406 is a wasteful number, since it uses less digits than its factorization.

51066406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14678.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 51066406 is about 7146.0762660358. The cubic root of 51066406 is about 371.0038626654.

The spelling of 51066406 in words is "fifty-one million, sixty-six thousand, four hundred six".