51732151 has 4 divisors (see below), whose sum is σ = 51746904. Its totient is φ = 51717400.

The previous prime is 51732133. The next prime is 51732169. The reversal of 51732151 is 15123715.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (51732133) and next prime (51732169).

It is a cyclic number.

It is not a de Polignac number, because 51732151 - 2¹⁵ = 51699383 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 (51733151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1236 + ... + 10246.

It is an arithmetic number, because the mean of its divisors is an integer number (12936726).

Almost surely, 2^51732151 is an apocalyptic number.

51732151 is a deficient number, since it is larger than the sum of its proper divisors (14753).

51732151 is an equidigital number, since it uses as much as digits as its factorization.

51732151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14752.

The product of its digits is 1050, while the sum is 25.

The square root of 51732151 is about 7192.5065867193. The cubic root of 51732151 is about 372.6091471815.

Adding to 51732151 its reverse (15123715), we get a palindrome (66855866).

The spelling of 51732151 in words is "fifty-one million, seven hundred thirty-two thousand, one hundred fifty-one".