50113551400 has 96 divisors (see below), whose sum is σ = 127278326880. Its totient is φ = 18198432000.

The previous prime is 50113551347. The next prime is 50113551419. The reversal of 50113551400 is 415531105.

It is a happy number.

It is a super-2 number, since 2×50113551400² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1650355 + ... + 1680445.

It is an arithmetic number, because the mean of its divisors is an integer number (1325815905).

Almost surely, 2^50113551400 is an apocalyptic number.

50113551400 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 50113551400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63639163440).

50113551400 is an abundant number, since it is smaller than the sum of its proper divisors (77164775480).

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

50113551400 is a wasteful number, since it uses less digits than its factorization.

50113551400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30875 (or 30866 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The spelling of 50113551400 in words is "fifty billion, one hundred thirteen million, five hundred fifty-one thousand, four hundred".