51655141243 has 8 divisors (see below), whose sum is σ = 53439526080. Its totient is φ = 49870968000.

The previous prime is 51655141201. The next prime is 51655141253. The reversal of 51655141243 is 34214155615.

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

It is a cyclic number.

It is not a de Polignac number, because 51655141243 - 2²⁵ = 51621586811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51655141253) 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, 567118 + ... + 651868.

It is an arithmetic number, because the mean of its divisors is an integer number (6679940760).

Almost surely, 2^51655141243 is an apocalyptic number.

51655141243 is a deficient number, since it is larger than the sum of its proper divisors (1784384837).

51655141243 is a wasteful number, since it uses less digits than its factorization.

51655141243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105797.

The product of its digits is 72000, while the sum is 37.

Adding to 51655141243 its reverse (34214155615), we get a palindrome (85869296858).

The spelling of 51655141243 in words is "fifty-one billion, six hundred fifty-five million, one hundred forty-one thousand, two hundred forty-three".