52779271556 has 48 divisors (see below), whose sum is σ = 101453352000. Its totient is φ = 23825819520.

The previous prime is 52779271553. The next prime is 52779271577. The reversal of 52779271556 is 65517297725.

It is a super-2 number, since 2×52779271556² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52779271553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19198070 + ... + 19200818.

It is an arithmetic number, because the mean of its divisors is an integer number (2113611500).

Almost surely, 2^52779271556 is an apocalyptic number.

It is an amenable number.

52779271556 is a deficient number, since it is larger than the sum of its proper divisors (48674080444).

52779271556 is a wasteful number, since it uses less digits than its factorization.

52779271556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5604 (or 5602 counting only the distinct ones).

The product of its digits is 9261000, while the sum is 56.

The spelling of 52779271556 in words is "fifty-two billion, seven hundred seventy-nine million, two hundred seventy-one thousand, five hundred fifty-six".