51552237 has 16 divisors (see below), whose sum is σ = 75386880. Its totient is φ = 31076400.

The previous prime is 51552217. The next prime is 51552317. The reversal of 51552237 is 73225515.

It is not a de Polignac number, because 51552237 - 2¹⁴ = 51535853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51552217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2214 + ... + 10392.

It is an arithmetic number, because the mean of its divisors is an integer number (4711680).

Almost surely, 2^51552237 is an apocalyptic number.

It is an amenable number.

51552237 is a deficient number, since it is larger than the sum of its proper divisors (23834643).

51552237 is a wasteful number, since it uses less digits than its factorization.

51552237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8384.

The product of its digits is 10500, while the sum is 30.

The square root of 51552237 is about 7179.9886490161. The cubic root of 51552237 is about 372.1766922785.

The spelling of 51552237 in words is "fifty-one million, five hundred fifty-two thousand, two hundred thirty-seven".