51155414046 has 48 divisors (see below), whose sum is σ = 124180728048. Its totient is φ = 15082675200.

The previous prime is 51155414029. The next prime is 51155414117. The reversal of 51155414046 is 64041455115.

51155414046 is a `hidden beast` number, since 51 + 1 + 554 + 14 + 0 + 46 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 51155414046.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3484035 + ... + 3498686.

It is an arithmetic number, because the mean of its divisors is an integer number (2587098501).

Almost surely, 2^51155414046 is an apocalyptic number.

51155414046 is an abundant number, since it is smaller than the sum of its proper divisors (73025314002).

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

51155414046 is a wasteful number, since it uses less digits than its factorization.

51155414046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6982777 (or 6982774 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The spelling of 51155414046 in words is "fifty-one billion, one hundred fifty-five million, four hundred fourteen thousand, forty-six".