53406276 has 144 divisors (see below), whose sum is σ = 165473280. Its totient is φ = 13231680.

The previous prime is 53406259. The next prime is 53406277. The reversal of 53406276 is 67260435.

53406276 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 (33).

It is not an unprimeable number, because it can be changed into a prime (53406277) 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 47 ways as a sum of consecutive naturals, for example, 148585 + ... + 148943.

It is an arithmetic number, because the mean of its divisors is an integer number (1149120).

Almost surely, 2^53406276 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 53406276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82736640).

53406276 is an abundant number, since it is smaller than the sum of its proper divisors (112067004).

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

53406276 is a wasteful number, since it uses less digits than its factorization.

53406276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414 (or 405 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 53406276 is about 7307.9597700042. The cubic root of 53406276 is about 376.5859375723.

The spelling of 53406276 in words is "fifty-three million, four hundred six thousand, two hundred seventy-six".