51344535 has 24 divisors (see below), whose sum is σ = 90301680. Its totient is φ = 24893440.

The previous prime is 51344459. The next prime is 51344551. The reversal of 51344535 is 53544315.

It is not a de Polignac number, because 51344535 - 2¹⁹ = 50820247 is a prime.

It is a super-2 number, since 2×51344535² = 5272522548732450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12330 + ... + 15959.

It is an arithmetic number, because the mean of its divisors is an integer number (3762570).

Almost surely, 2^51344535 is an apocalyptic number.

51344535 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51344535 is a deficient number, since it is larger than the sum of its proper divisors (38957145).

51344535 is a wasteful number, since it uses less digits than its factorization.

51344535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28319 (or 28308 counting only the distinct ones).

The product of its digits is 18000, while the sum is 30.

The square root of 51344535 is about 7165.5101004744. The cubic root of 51344535 is about 371.6761909343.

It can be divided in two parts, 5134 and 4535, that added together give a palindrome (9669).

The spelling of 51344535 in words is "fifty-one million, three hundred forty-four thousand, five hundred thirty-five".