53446470 has 128 divisors (see below), whose sum is σ = 169454592. Its totient is φ = 10444800.

The previous prime is 53446451. The next prime is 53446541. The reversal of 53446470 is 7464435.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 38590 + ... + 39950.

It is an arithmetic number, because the mean of its divisors is an integer number (1323864).

Almost surely, 2^53446470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53446470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84727296).

53446470 is an abundant number, since it is smaller than the sum of its proper divisors (116008122).

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

53446470 is a wasteful number, since it uses less digits than its factorization.

53446470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1406.

The product of its (nonzero) digits is 40320, while the sum is 33.

The square root of 53446470 is about 7310.7092679165. The cubic root of 53446470 is about 376.6803877669.

The spelling of 53446470 in words is "fifty-three million, four hundred forty-six thousand, four hundred seventy".