53420472 has 80 divisors (see below), whose sum is σ = 171016560. Its totient is φ = 15261696.

The previous prime is 53420459. The next prime is 53420473. The reversal of 53420472 is 27402435.

53420472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (53420473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1353 + ... + 10424.

It is an arithmetic number, because the mean of its divisors is an integer number (2137707).

Almost surely, 2^53420472 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 53420472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85508280).

53420472 is an abundant number, since it is smaller than the sum of its proper divisors (117596088).

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

53420472 is a wasteful number, since it uses less digits than its factorization.

53420472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11802 (or 11789 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 53420472 is about 7308.9309751837. The cubic root of 53420472 is about 376.6193015685.

The spelling of 53420472 in words is "fifty-three million, four hundred twenty thousand, four hundred seventy-two".