51542934120 has 96 divisors (see below), whose sum is σ = 173718810720. Its totient is φ = 13744779840.

The previous prime is 51542934103. The next prime is 51542934137. The reversal of 51542934120 is 2143924515.

51542934120 is a `hidden beast` number, since 5 + 1 + 542 + 93 + 4 + 1 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (51542934103) and next prime (51542934137).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2641666 + ... + 2661105.

It is an arithmetic number, because the mean of its divisors is an integer number (1809570945).

Almost surely, 2^51542934120 is an apocalyptic number.

It is an amenable number.

51542934120 is an abundant number, since it is smaller than the sum of its proper divisors (122175876600).

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

51542934120 is a wasteful number, since it uses less digits than its factorization.

51542934120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5302797 (or 5302781 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 51542934120 in words is "fifty-one billion, five hundred forty-two million, nine hundred thirty-four thousand, one hundred twenty".