50723400 has 192 divisors, whose sum is σ = 193737600. Its totient is φ = 10690560.

The previous prime is 50723389. The next prime is 50723443. The reversal of 50723400 is 432705.

50723400 = 449² + 450² + ... + 623².

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54136 + ... + 55064.

It is an arithmetic number, because the mean of its divisors is an integer number (1009050).

Almost surely, 2^50723400 is an apocalyptic number.

50723400 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 50723400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96868800).

50723400 is an abundant number, since it is smaller than the sum of its proper divisors (143014200).

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

50723400 is a wasteful number, since it uses less digits than its factorization.

50723400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968 (or 959 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 50723400 is about 7122.0362256871. The cubic root of 50723400 is about 370.1713353057.

The spelling of 50723400 in words is "fifty million, seven hundred twenty-three thousand, four hundred".