51420352541 has 8 divisors (see below), whose sum is σ = 52401081600. Its totient is φ = 50443263520.

The previous prime is 51420352537. The next prime is 51420352547. The reversal of 51420352541 is 14525302415.

51420352541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 51420352541 - 2² = 51420352537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51420352498 and 51420352507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51420352547) 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, 881480 + ... + 938001.

It is an arithmetic number, because the mean of its divisors is an integer number (6550135200).

Almost surely, 2^51420352541 is an apocalyptic number.

It is an amenable number.

51420352541 is a deficient number, since it is larger than the sum of its proper divisors (980729059).

51420352541 is a wasteful number, since it uses less digits than its factorization.

51420352541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820019.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 51420352541 its reverse (14525302415), we get a palindrome (65945654956).

The spelling of 51420352541 in words is "fifty-one billion, four hundred twenty million, three hundred fifty-two thousand, five hundred forty-one".