51420355241830 has 64 divisors (see below), whose sum is σ = 97670207877120. Its totient is φ = 19451985988864.

The previous prime is 51420355241821. The next prime is 51420355241869. The reversal of 51420355241830 is 3814255302415.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 698542887 + ... + 698616493.

It is an arithmetic number, because the mean of its divisors is an integer number (1526096998080).

Almost surely, 2^{51420355241830} is an apocalyptic number.

51420355241830 is a deficient number, since it is larger than the sum of its proper divisors (46249852635290).

51420355241830 is a wasteful number, since it uses less digits than its factorization.

51420355241830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107853.

The product of its (nonzero) digits is 576000, while the sum is 43.

The spelling of 51420355241830 in words is "fifty-one trillion, four hundred twenty billion, three hundred fifty-five million, two hundred forty-one thousand, eight hundred thirty".