51384527 has 8 divisors (see below), whose sum is σ = 54002256. Its totient is φ = 48831552.

The previous prime is 51384517. The next prime is 51384533. The reversal of 51384527 is 72548315.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 51384527 - 2¹⁶ = 51318991 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 (51384517) 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, 14558 + ... + 17739.

It is an arithmetic number, because the mean of its divisors is an integer number (6750282).

Almost surely, 2^51384527 is an apocalyptic number.

51384527 is a deficient number, since it is larger than the sum of its proper divisors (2617729).

51384527 is a wasteful number, since it uses less digits than its factorization.

51384527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32377.

The product of its digits is 33600, while the sum is 35.

The square root of 51384527 is about 7168.3001471758. The cubic root of 51384527 is about 371.7726647961.

The spelling of 51384527 in words is "fifty-one million, three hundred eighty-four thousand, five hundred twenty-seven".