53870000 has 50 divisors (see below), whose sum is σ = 130448868. Its totient is φ = 21544000.

The previous prime is 53869999. The next prime is 53870041. The reversal of 53870000 is 7835.

It is a tau number, because it is divible by the number of its divisors (50).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7307 + ... + 12693.

Almost surely, 2^53870000 is an apocalyptic number.

53870000 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 53870000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65224434).

53870000 is an abundant number, since it is smaller than the sum of its proper divisors (76578868).

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

53870000 is an equidigital number, since it uses as much as digits as its factorization.

53870000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5415 (or 5394 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 53870000 is about 7339.6185186970. The cubic root of 53870000 is about 377.6727569152.

Adding to 53870000 its reverse (7835), we get a palindrome (53877835).

The spelling of 53870000 in words is "fifty-three million, eight hundred seventy thousand".