53031120 has 80 divisors (see below), whose sum is σ = 166536960. Its totient is φ = 13957632.

The previous prime is 53031113. The next prime is 53031127. The reversal of 53031120 is 2113035.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (53031113) and next prime (53031127).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 53031120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53031127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17562 + ... + 20358.

It is an arithmetic number, because the mean of its divisors is an integer number (2081712).

Almost surely, 2^53031120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53031120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83268480).

53031120 is an abundant number, since it is smaller than the sum of its proper divisors (113505840).

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

53031120 is a wasteful number, since it uses less digits than its factorization.

53031120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2892 (or 2886 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 53031120 is about 7282.2469060037. The cubic root of 53031120 is about 375.7020802906.

Adding to 53031120 its reverse (2113035), we get a palindrome (55144155).

The spelling of 53031120 in words is "fifty-three million, thirty-one thousand, one hundred twenty".