51543357 has 8 divisors (see below), whose sum is σ = 68779200. Its totient is φ = 34334880.

The previous prime is 51543347. The next prime is 51543361. The reversal of 51543357 is 75334515.

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

It is not a de Polignac number, because 51543357 - 2⁴ = 51543341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51543307) 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, 1944 + ... + 10337.

It is an arithmetic number, because the mean of its divisors is an integer number (8597400).

Almost surely, 2^51543357 is an apocalyptic number.

It is an amenable number.

51543357 is a deficient number, since it is larger than the sum of its proper divisors (17235843).

51543357 is a wasteful number, since it uses less digits than its factorization.

51543357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13683.

The product of its digits is 31500, while the sum is 33.

The square root of 51543357 is about 7179.3702370055. The cubic root of 51543357 is about 372.1553216002.

The spelling of 51543357 in words is "fifty-one million, five hundred forty-three thousand, three hundred fifty-seven".