51895755 has 32 divisors (see below), whose sum is σ = 94233600. Its totient is φ = 27085536.

The previous prime is 51895741. The next prime is 51895759. The reversal of 51895755 is 55759815.

It is not a de Polignac number, because 51895755 - 2⁸ = 51895499 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 51895755.

It is not an unprimeable number, because it can be changed into a prime (51895759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2256 + ... + 10434.

It is an arithmetic number, because the mean of its divisors is an integer number (2944800).

Almost surely, 2^51895755 is an apocalyptic number.

51895755 is a deficient number, since it is larger than the sum of its proper divisors (42337845).

51895755 is a wasteful number, since it uses less digits than its factorization.

51895755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8240 (or 8234 counting only the distinct ones).

The product of its digits is 315000, while the sum is 45.

The square root of 51895755 is about 7203.8708344889. The cubic root of 51895755 is about 373.0015285512.

It can be divided in two parts, 51895 and 755, that added together give a triangular number (52650 = T₃₂₄).

The spelling of 51895755 in words is "fifty-one million, eight hundred ninety-five thousand, seven hundred fifty-five".