51542242410 has 32 divisors (see below), whose sum is σ = 124531603200. Its totient is φ = 13652351168.

The previous prime is 51542242399. The next prime is 51542242439. The reversal of 51542242410 is 1424224515.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 15 ways as a sum of consecutive naturals, for example, 5760882 + ... + 5769821.

It is an arithmetic number, because the mean of its divisors is an integer number (3891612600).

Almost surely, 2^51542242410 is an apocalyptic number.

51542242410 is an abundant number, since it is smaller than the sum of its proper divisors (72989360790).

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

51542242410 is a wasteful number, since it uses less digits than its factorization.

51542242410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11530862.

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 51542242410 its reverse (1424224515), we get a palindrome (52966466925).

The spelling of 51542242410 in words is "fifty-one billion, five hundred forty-two million, two hundred forty-two thousand, four hundred ten".