50557773552 has 160 divisors (see below), whose sum is σ = 153687663360. Its totient is φ = 14119311360.

The previous prime is 50557773547. The next prime is 50557773557. The reversal of 50557773552 is 25537775505.

It is an interprime number because it is at equal distance from previous prime (50557773547) and next prime (50557773557).

It is a junction number, because it is equal to n+sod(n) for n = 50557773495 and 50557773504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50557773557) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4517788 + ... + 4528964.

It is an arithmetic number, because the mean of its divisors is an integer number (960547896).

Almost surely, 2^50557773552 is an apocalyptic number.

50557773552 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50557773552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76843831680).

50557773552 is an abundant number, since it is smaller than the sum of its proper divisors (103129889808).

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

50557773552 is a wasteful number, since it uses less digits than its factorization.

50557773552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11871 (or 11865 counting only the distinct ones).

The product of its (nonzero) digits is 6431250, while the sum is 51.

The spelling of 50557773552 in words is "fifty billion, five hundred fifty-seven million, seven hundred seventy-three thousand, five hundred fifty-two".