51353495 has 4 divisors (see below), whose sum is σ = 61624200. Its totient is φ = 41082792.

The previous prime is 51353459. The next prime is 51353507. The reversal of 51353495 is 59435315.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51353495 - 2¹² = 51349399 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5135345 + ... + 5135354.

It is an arithmetic number, because the mean of its divisors is an integer number (15406050).

Almost surely, 2^51353495 is an apocalyptic number.

51353495 is a deficient number, since it is larger than the sum of its proper divisors (10270705).

51353495 is a wasteful number, since it uses less digits than its factorization.

51353495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10270704.

The product of its digits is 40500, while the sum is 35.

The square root of 51353495 is about 7166.1352903779. The cubic root of 51353495 is about 371.6978097556.

The spelling of 51353495 in words is "fifty-one million, three hundred fifty-three thousand, four hundred ninety-five".