50724454400 has 180 divisors, whose sum is σ = 129231213048. Its totient is φ = 19735511040.

The previous prime is 50724454373. The next prime is 50724454409. The reversal of 50724454400 is 445442705.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50724454409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15153527 + ... + 15156873.

Almost surely, 2^50724454400 is an apocalyptic number.

50724454400 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 50724454400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64615606524).

50724454400 is an abundant number, since it is smaller than the sum of its proper divisors (78506758648).

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

50724454400 is an equidigital number, since it uses as much as digits as its factorization.

50724454400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3422 (or 3391 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 35.

The spelling of 50724454400 in words is "fifty billion, seven hundred twenty-four million, four hundred fifty-four thousand, four hundred".