50155500 has 96 divisors (see below), whose sum is σ = 151220160. Its totient is φ = 12902400.

The previous prime is 50155493. The next prime is 50155513. The reversal of 50155500 is 555105.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42924 + ... + 44076.

It is an arithmetic number, because the mean of its divisors is an integer number (1575210).

Almost surely, 2^50155500 is an apocalyptic number.

50155500 is a gapful number since it is divisible by the number (50) 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 50155500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75610080).

50155500 is an abundant number, since it is smaller than the sum of its proper divisors (101064660).

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

50155500 is a wasteful number, since it uses less digits than its factorization.

50155500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204 (or 1192 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 21.

The square root of 50155500 is about 7082.0547865715. The cubic root of 50155500 is about 368.7846658974.

The spelling of 50155500 in words is "fifty million, one hundred fifty-five thousand, five hundred".