51507141 has 8 divisors (see below), whose sum is σ = 78487104. Its totient is φ = 29432640.

The previous prime is 51507133. The next prime is 51507173. The reversal of 51507141 is 14170515.

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

It is not a de Polignac number, because 51507141 - 2³ = 51507133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51507191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1226340 + ... + 1226381.

It is an arithmetic number, because the mean of its divisors is an integer number (9810888).

Almost surely, 2^51507141 is an apocalyptic number.

It is an amenable number.

51507141 is a deficient number, since it is larger than the sum of its proper divisors (26979963).

51507141 is a wasteful number, since it uses less digits than its factorization.

51507141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2452731.

The product of its (nonzero) digits is 700, while the sum is 24.

The square root of 51507141 is about 7176.8475670032. The cubic root of 51507141 is about 372.0681384608.

Adding to 51507141 its reverse (14170515), we get a palindrome (65677656).

The spelling of 51507141 in words is "fifty-one million, five hundred seven thousand, one hundred forty-one".