53156466 has 64 divisors (see below), whose sum is σ = 130204800. Its totient is φ = 15940800.

The previous prime is 53156447. The next prime is 53156479. The reversal of 53156466 is 66465135.

53156466 is a `hidden beast` number, since 5 + 3 + 1 + 5 + 646 + 6 = 666.

53156466 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 53156466.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 64336 + ... + 65156.

It is an arithmetic number, because the mean of its divisors is an integer number (2034450).

Almost surely, 2^53156466 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53156466, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65102400).

53156466 is an abundant number, since it is smaller than the sum of its proper divisors (77048334).

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

53156466 is a wasteful number, since it uses less digits than its factorization.

53156466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952 (or 946 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 53156466 is about 7290.8480988154. The cubic root of 53156466 is about 375.9978544091.

It can be divided in two parts, 5315 and 6466, that added together give a triangular number (11781 = T₁₅₃).

The spelling of 53156466 in words is "fifty-three million, one hundred fifty-six thousand, four hundred sixty-six".