50000155533 has 24 divisors (see below), whose sum is σ = 75958871040. Its totient is φ = 31649510880.

The previous prime is 50000155487. The next prime is 50000155567. The reversal of 50000155533 is 33555100005.

50000155533 is a `hidden beast` number, since 500 + 0 + 0 + 155 + 5 + 3 + 3 = 666.

It is not a de Polignac number, because 50000155533 - 2⁹ = 50000155021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50000155497 and 50000155506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50000155333) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1675893 + ... + 1705466.

It is an arithmetic number, because the mean of its divisors is an integer number (3164952960).

Almost surely, 2^50000155533 is an apocalyptic number.

50000155533 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

50000155533 is a deficient number, since it is larger than the sum of its proper divisors (25958715507).

50000155533 is a wasteful number, since it uses less digits than its factorization.

50000155533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3381449 (or 3381446 counting only the distinct ones).

The product of its (nonzero) digits is 5625, while the sum is 27.

Adding to 50000155533 its reverse (33555100005), we get a palindrome (83555255538).

The spelling of 50000155533 in words is "fifty billion, one hundred fifty-five thousand, five hundred thirty-three".