51332527 has 4 divisors (see below), whose sum is σ = 53564400. Its totient is φ = 49100656.

The previous prime is 51332513. The next prime is 51332551. The reversal of 51332527 is 72523315.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72523315 = 5 ⋅14504663.

It is a cyclic number.

It is not a de Polignac number, because 51332527 - 2⁷ = 51332399 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51332495 and 51332504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51332597) 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, 1115902 + ... + 1115947.

It is an arithmetic number, because the mean of its divisors is an integer number (13391100).

Almost surely, 2^51332527 is an apocalyptic number.

51332527 is a deficient number, since it is larger than the sum of its proper divisors (2231873).

51332527 is a wasteful number, since it uses less digits than its factorization.

51332527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2231872.

The product of its digits is 6300, while the sum is 28.

The square root of 51332527 is about 7164.6721488146. The cubic root of 51332527 is about 371.6472139090.

The spelling of 51332527 in words is "fifty-one million, three hundred thirty-two thousand, five hundred twenty-seven".