51190237 has 8 divisors (see below), whose sum is σ = 61582400. Its totient is φ = 41567904.

The previous prime is 51190231. The next prime is 51190267. The reversal of 51190237 is 73209115.

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

It is not a de Polignac number, because 51190237 - 2⁷ = 51190109 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 (51190231) 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, 192312 + ... + 192577.

It is an arithmetic number, because the mean of its divisors is an integer number (7697800).

Almost surely, 2^51190237 is an apocalyptic number.

It is an amenable number.

51190237 is a deficient number, since it is larger than the sum of its proper divisors (10392163).

51190237 is a wasteful number, since it uses less digits than its factorization.

51190237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384915.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 51190237 is about 7154.7352851101. The cubic root of 51190237 is about 371.3035031930.

The spelling of 51190237 in words is "fifty-one million, one hundred ninety thousand, two hundred thirty-seven".