51534351 has 12 divisors (see below), whose sum is σ = 81205800. Its totient is φ = 31232880.

The previous prime is 51534347. The next prime is 51534367. The reversal of 51534351 is 15343515.

51534351 = 1520² + 1521² + ... + 1541².

It is not a de Polignac number, because 51534351 - 2² = 51534347 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51534311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 260176 + ... + 260373.

It is an arithmetic number, because the mean of its divisors is an integer number (6767150).

Almost surely, 2^51534351 is an apocalyptic number.

51534351 is a deficient number, since it is larger than the sum of its proper divisors (29671449).

51534351 is a wasteful number, since it uses less digits than its factorization.

51534351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520566 (or 520563 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 51534351 is about 7178.7429958176. The cubic root of 51534351 is about 372.1336451822.

Adding to 51534351 its reverse (15343515), we get a palindrome (66877866).

The spelling of 51534351 in words is "fifty-one million, five hundred thirty-four thousand, three hundred fifty-one".