51892207 has 8 divisors (see below), whose sum is σ = 52427232. Its totient is φ = 51360000.

The previous prime is 51892193. The next prime is 51892219. The reversal of 51892207 is 70229815.

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 51892207 - 2¹⁵ = 51859439 is a prime.

It is a super-2 number, since 2×51892207² = 5385602294661698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51892297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60123 + ... + 60979.

It is an arithmetic number, because the mean of its divisors is an integer number (6553404).

Almost surely, 2^51892207 is an apocalyptic number.

51892207 is a deficient number, since it is larger than the sum of its proper divisors (535025).

51892207 is a wasteful number, since it uses less digits than its factorization.

51892207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 51892207 is about 7203.6245737823. The cubic root of 51892207 is about 372.9930279228.

It can be divided in two parts, 5189 and 2207, that added together give a square (7396 = 86²).

The spelling of 51892207 in words is "fifty-one million, eight hundred ninety-two thousand, two hundred seven".