51503141 has 8 divisors (see below), whose sum is σ = 53841024. Its totient is φ = 49173520.

The previous prime is 51503131. The next prime is 51503161. The reversal of 51503141 is 14130515.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51503141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51503131) 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, 13151 + ... + 16611.

It is an arithmetic number, because the mean of its divisors is an integer number (6730128).

Almost surely, 2^51503141 is an apocalyptic number.

It is an amenable number.

51503141 is a deficient number, since it is larger than the sum of its proper divisors (2337883).

51503141 is a wasteful number, since it uses less digits than its factorization.

51503141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4131.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 51503141 is about 7176.5688877067. The cubic root of 51503141 is about 372.0585067149.

Adding to 51503141 its reverse (14130515), we get a palindrome (65633656).

The spelling of 51503141 in words is "fifty-one million, five hundred three thousand, one hundred forty-one".