53120250 has 48 divisors (see below), whose sum is σ = 143643240. Its totient is φ = 14164800.

The previous prime is 53120231. The next prime is 53120251. The reversal of 53120250 is 5202135.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7273809 + 45846441 = 2697^2 + 6771^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53120251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9555 + ... + 14054.

Almost surely, 2^53120250 is an apocalyptic number.

53120250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53120250 is an abundant number, since it is smaller than the sum of its proper divisors (90522990).

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

53120250 is a wasteful number, since it uses less digits than its factorization.

53120250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23632 (or 23619 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 53120250 is about 7288.3640139609. The cubic root of 53120250 is about 375.9124447184.

Adding to 53120250 its reverse (5202135), we get a palindrome (58322385).

The spelling of 53120250 in words is "fifty-three million, one hundred twenty thousand, two hundred fifty".