51462155020 has 48 divisors (see below), whose sum is σ = 108458155008. Its totient is φ = 20511138560.

The previous prime is 51462154999. The next prime is 51462155051. The reversal of 51462155020 is 2055126415.

It is a super-2 number, since 2×51462155020² (a number of 22 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 9779190 + ... + 9784450.

It is an arithmetic number, because the mean of its divisors is an integer number (2259544896).

Almost surely, 2^51462155020 is an apocalyptic number.

It is an amenable number.

51462155020 is an abundant number, since it is smaller than the sum of its proper divisors (56995999988).

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

51462155020 is a wasteful number, since it uses less digits than its factorization.

51462155020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6930 (or 6928 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 51462155020 in words is "fifty-one billion, four hundred sixty-two million, one hundred fifty-five thousand, twenty".