53174920 has 128 divisors (see below), whose sum is σ = 135705600. Its totient is φ = 18662400.

The previous prime is 53174857. The next prime is 53174923. The reversal of 53174920 is 2947135.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (53174923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 871690 + ... + 871750.

It is an arithmetic number, because the mean of its divisors is an integer number (1060200).

Almost surely, 2^53174920 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 53174920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67852800).

53174920 is an abundant number, since it is smaller than the sum of its proper divisors (82530680).

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

53174920 is a wasteful number, since it uses less digits than its factorization.

53174920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 53174920 is about 7292.1135482108. The cubic root of 53174920 is about 376.0413603211.

The spelling of 53174920 in words is "fifty-three million, one hundred seventy-four thousand, nine hundred twenty".