52709400 has 192 divisors, whose sum is σ = 186595200. Its totient is φ = 13668480.

The previous prime is 52709389. The next prime is 52709407. The reversal of 52709400 is 490725.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52709407) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 232087 + ... + 232313.

It is an arithmetic number, because the mean of its divisors is an integer number (971850).

Almost surely, 2^52709400 is an apocalyptic number.

52709400 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 52709400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93297600).

52709400 is an abundant number, since it is smaller than the sum of its proper divisors (133885800).

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

52709400 is a wasteful number, since it uses less digits than its factorization.

52709400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295 (or 280 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 52709400 is about 7260.1239658838. The cubic root of 52709400 is about 374.9407906518.

The spelling of 52709400 in words is "fifty-two million, seven hundred nine thousand, four hundred".