51420170203424 has 48 divisors (see below), whose sum is σ = 111991945657536. Its totient is φ = 23043610195200.

The previous prime is 51420170203387. The next prime is 51420170203459. The reversal of 51420170203424 is 42430207102415.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1028707607 + ... + 1028757590.

It is an arithmetic number, because the mean of its divisors is an integer number (2333165534532).

Almost surely, 2^{51420170203424} is an apocalyptic number.

It is an amenable number.

51420170203424 is an abundant number, since it is smaller than the sum of its proper divisors (60571775454112).

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

51420170203424 is a wasteful number, since it uses less digits than its factorization.

51420170203424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2057465289 (or 2057465281 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 35.

Adding to 51420170203424 its reverse (42430207102415), we get a palindrome (93850377305839).

The spelling of 51420170203424 in words is "fifty-one trillion, four hundred twenty billion, one hundred seventy million, two hundred three thousand, four hundred twenty-four".