51048023087 has 4 divisors (see below), whose sum is σ = 51053248776. Its totient is φ = 51042797400.

The previous prime is 51048023069. The next prime is 51048023099. The reversal of 51048023087 is 78032084015.

51048023087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51048023087 - 2⁶ = 51048023023 is a prime.

It is a super-2 number, since 2×51048023087² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51048023087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51048023017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2598164 + ... + 2617737.

It is an arithmetic number, because the mean of its divisors is an integer number (12763312194).

Almost surely, 2^51048023087 is an apocalyptic number.

51048023087 is a deficient number, since it is larger than the sum of its proper divisors (5225689).

51048023087 is an equidigital number, since it uses as much as digits as its factorization.

51048023087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5225688.

The product of its (nonzero) digits is 53760, while the sum is 38.

The spelling of 51048023087 in words is "fifty-one billion, forty-eight million, twenty-three thousand, eighty-seven".