51969201 has 8 divisors (see below), whose sum is σ = 71165184. Its totient is φ = 33709680.

The previous prime is 51969193. The next prime is 51969209. The reversal of 51969201 is 10296915.

It is an interprime number because it is at equal distance from previous prime (51969193) and next prime (51969209).

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

It is not a de Polignac number, because 51969201 - 2³ = 51969193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51969209) 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, 233985 + ... + 234206.

It is an arithmetic number, because the mean of its divisors is an integer number (8895648).

Almost surely, 2^51969201 is an apocalyptic number.

It is an amenable number.

51969201 is a deficient number, since it is larger than the sum of its proper divisors (19195983).

51969201 is a wasteful number, since it uses less digits than its factorization.

51969201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468231.

The product of its (nonzero) digits is 4860, while the sum is 33.

The square root of 51969201 is about 7208.9667082044. The cubic root of 51969201 is about 373.1774103518.

The spelling of 51969201 in words is "fifty-one million, nine hundred sixty-nine thousand, two hundred one".