51554167 has 8 divisors (see below), whose sum is σ = 58968576. Its totient is φ = 44152152.

The previous prime is 51554161. The next prime is 51554177. The reversal of 51554167 is 76145515.

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

It is a cyclic number.

It is not a de Polignac number, because 51554167 - 2¹⁵ = 51521399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51554161) 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, 8958 + ... + 13540.

It is an arithmetic number, because the mean of its divisors is an integer number (7371072).

Almost surely, 2^51554167 is an apocalyptic number.

51554167 is a deficient number, since it is larger than the sum of its proper divisors (7414409).

51554167 is a wasteful number, since it uses less digits than its factorization.

51554167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6197.

The product of its digits is 21000, while the sum is 34.

The square root of 51554167 is about 7180.1230490849. The cubic root of 51554167 is about 372.1813367071.

The spelling of 51554167 in words is "fifty-one million, five hundred fifty-four thousand, one hundred sixty-seven".