53017400 has 48 divisors (see below), whose sum is σ = 125382600. Its totient is φ = 20842880.

The previous prime is 53017399. The next prime is 53017417. The reversal of 53017400 is 471035.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9554 + ... + 14046.

Almost surely, 2^53017400 is an apocalyptic number.

53017400 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 53017400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62691300).

53017400 is an abundant number, since it is smaller than the sum of its proper divisors (72365200).

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

53017400 is a wasteful number, since it uses less digits than its factorization.

53017400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4568 (or 4559 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 53017400 is about 7281.3048281198. The cubic root of 53017400 is about 375.6696774478.

Adding to 53017400 its reverse (471035), we get a palindrome (53488435).

The spelling of 53017400 in words is "fifty-three million, seventeen thousand, four hundred".