51632155 has 8 divisors (see below), whose sum is σ = 62051184. Its totient is φ = 41244000.

The previous prime is 51632153. The next prime is 51632173. The reversal of 51632155 is 55123615.

51632155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 51632155 - 2¹ = 51632153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51632153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3861 + ... + 10870.

It is an arithmetic number, because the mean of its divisors is an integer number (7756398).

Almost surely, 2^51632155 is an apocalyptic number.

51632155 is a deficient number, since it is larger than the sum of its proper divisors (10419029).

51632155 is a wasteful number, since it uses less digits than its factorization.

51632155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15437.

The product of its digits is 4500, while the sum is 28.

The square root of 51632155 is about 7185.5518229291. The cubic root of 51632155 is about 372.3689132307.

The spelling of 51632155 in words is "fifty-one million, six hundred thirty-two thousand, one hundred fifty-five".