53150000 has 60 divisors (see below), whose sum is σ = 128835504. Its totient is φ = 21240000.

The previous prime is 53149991. The next prime is 53150023. The reversal of 53150000 is 5135.

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, 49469 + ... + 50531.

Almost surely, 2^53150000 is an apocalyptic number.

53150000 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 53150000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64417752).

53150000 is an abundant number, since it is smaller than the sum of its proper divisors (75685504).

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

53150000 is an equidigital number, since it uses as much as digits as its factorization.

53150000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096 (or 1070 counting only the distinct ones).

The product of its (nonzero) digits is 75, while the sum is 14.

The square root of 53150000 is about 7290.4046526925. The cubic root of 53150000 is about 375.9826082193.

Adding to 53150000 its reverse (5135), we get a palindrome (53155135).

The spelling of 53150000 in words is "fifty-three million, one hundred fifty thousand".