51342075 has 36 divisors (see below), whose sum is σ = 92561040. Its totient is φ = 27203520.

The previous prime is 51342073. The next prime is 51342077. The reversal of 51342075 is 57024315.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (51342073) and next prime (51342077).

It is not a de Polignac number, because 51342075 - 2¹ = 51342073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51342073) 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 35 ways as a sum of consecutive naturals, for example, 38266 + ... + 39584.

It is an arithmetic number, because the mean of its divisors is an integer number (2571140).

Almost surely, 2^51342075 is an apocalyptic number.

51342075 is a deficient number, since it is larger than the sum of its proper divisors (41218965).

51342075 is a wasteful number, since it uses less digits than its factorization.

51342075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1508 (or 1500 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 51342075 is about 7165.3384428092. The cubic root of 51342075 is about 371.6702549697.

The spelling of 51342075 in words is "fifty-one million, three hundred forty-two thousand, seventy-five".