51375371 has 16 divisors (see below), whose sum is σ = 54190080. Its totient is φ = 48664320.

The previous prime is 51375361. The next prime is 51375383. The reversal of 51375371 is 17357315.

It is a cyclic number.

It is not a de Polignac number, because 51375371 - 2¹⁴ = 51358987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51375341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268886 + ... + 269076.

It is an arithmetic number, because the mean of its divisors is an integer number (3386880).

Almost surely, 2^51375371 is an apocalyptic number.

51375371 is a deficient number, since it is larger than the sum of its proper divisors (2814709).

51375371 is a wasteful number, since it uses less digits than its factorization.

51375371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394.

The product of its digits is 11025, while the sum is 32.

The square root of 51375371 is about 7167.6614735910. The cubic root of 51375371 is about 371.7505819311.

The spelling of 51375371 in words is "fifty-one million, three hundred seventy-five thousand, three hundred seventy-one".