53107920 has 160 divisors (see below), whose sum is σ = 191059200. Its totient is φ = 13533696.

The previous prime is 53107891. The next prime is 53107927. The reversal of 53107920 is 2970135.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53107927) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49146 + ... + 50214.

It is an arithmetic number, because the mean of its divisors is an integer number (1194120).

Almost surely, 2^53107920 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 53107920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95529600).

53107920 is an abundant number, since it is smaller than the sum of its proper divisors (137951280).

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

53107920 is a wasteful number, since it uses less digits than its factorization.

53107920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114 (or 1102 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 53107920 is about 7287.5180960324. The cubic root of 53107920 is about 375.8833575115.

The spelling of 53107920 in words is "fifty-three million, one hundred seven thousand, nine hundred twenty".