51135535 has 8 divisors (see below), whose sum is σ = 66941136. Its totient is φ = 37189440.

The previous prime is 51135529. The next prime is 51135563. The reversal of 51135535 is 53553115.

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

It is not a de Polignac number, because 51135535 - 2¹³ = 51127343 is a prime.

It is a super-2 number, since 2×51135535² = 5229685879472450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464814 + ... + 464923.

It is an arithmetic number, because the mean of its divisors is an integer number (8367642).

Almost surely, 2^51135535 is an apocalyptic number.

51135535 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51135535 is a deficient number, since it is larger than the sum of its proper divisors (15805601).

51135535 is a wasteful number, since it uses less digits than its factorization.

51135535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929753.

The product of its digits is 5625, while the sum is 28.

The square root of 51135535 is about 7150.9114803639. The cubic root of 51135535 is about 371.1711974740.

It can be divided in two parts, 5113 and 5535, that added together give a cube (10648 = 22³).

The spelling of 51135535 in words is "fifty-one million, one hundred thirty-five thousand, five hundred thirty-five".