51462155021 has 8 divisors (see below), whose sum is σ = 52626633984. Its totient is φ = 50304842640.

The previous prime is 51462154999. The next prime is 51462155051. The reversal of 51462155021 is 12055126415.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51462155021 - 2²² = 51457960717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51462155051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1777121 + ... + 1805846.

It is an arithmetic number, because the mean of its divisors is an integer number (6578329248).

Almost surely, 2^51462155021 is an apocalyptic number.

It is an amenable number.

51462155021 is a deficient number, since it is larger than the sum of its proper divisors (1164478963).

51462155021 is a wasteful number, since it uses less digits than its factorization.

51462155021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3583291.

The product of its (nonzero) digits is 12000, while the sum is 32.

The spelling of 51462155021 in words is "fifty-one billion, four hundred sixty-two million, one hundred fifty-five thousand, twenty-one".