51753155 has 4 divisors (see below), whose sum is σ = 62103792. Its totient is φ = 41402520.

The previous prime is 51753127. The next prime is 51753161. The reversal of 51753155 is 55135715.

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

It is not a de Polignac number, because 51753155 - 2¹⁴ = 51736771 is a prime.

It is a Duffinian 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, 5175311 + ... + 5175320.

It is an arithmetic number, because the mean of its divisors is an integer number (15525948).

Almost surely, 2^51753155 is an apocalyptic number.

51753155 is a deficient number, since it is larger than the sum of its proper divisors (10350637).

51753155 is a wasteful number, since it uses less digits than its factorization.

51753155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10350636.

The product of its digits is 13125, while the sum is 32.

The square root of 51753155 is about 7193.9665692857. The cubic root of 51753155 is about 372.6595685888.

The spelling of 51753155 in words is "fifty-one million, seven hundred fifty-three thousand, one hundred fifty-five".