51336501 has 8 divisors (see below), whose sum is σ = 70298784. Its totient is φ = 33299280.

The previous prime is 51336473. The next prime is 51336517. The reversal of 51336501 is 10563315.

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

It is not a de Polignac number, because 51336501 - 2¹¹ = 51334453 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51336581) 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, 231135 + ... + 231356.

It is an arithmetic number, because the mean of its divisors is an integer number (8787348).

Almost surely, 2^51336501 is an apocalyptic number.

It is an amenable number.

51336501 is a deficient number, since it is larger than the sum of its proper divisors (18962283).

51336501 is a wasteful number, since it uses less digits than its factorization.

51336501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462531.

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 51336501 is about 7164.9494764443. The cubic root of 51336501 is about 371.6568042409.

Adding to 51336501 its reverse (10563315), we get a palindrome (61899816).

The spelling of 51336501 in words is "fifty-one million, three hundred thirty-six thousand, five hundred one".