51541143450 has 24 divisors (see below), whose sum is σ = 127822036128. Its totient is φ = 13744304880.

The previous prime is 51541143413. The next prime is 51541143457. The reversal of 51541143450 is 5434114515.

It is not an unprimeable number, because it can be changed into a prime (51541143457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171803662 + ... + 171803961.

It is an arithmetic number, because the mean of its divisors is an integer number (5325918172).

Almost surely, 2^51541143450 is an apocalyptic number.

51541143450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51541143450 is an abundant number, since it is smaller than the sum of its proper divisors (76280892678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51541143450 is a wasteful number, since it uses less digits than its factorization.

51541143450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343607638 (or 343607633 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 51541143450 its reverse (5434114515), we get a palindrome (56975257965).

The spelling of 51541143450 in words is "fifty-one billion, five hundred forty-one million, one hundred forty-three thousand, four hundred fifty".