53156454 has 16 divisors (see below), whose sum is σ = 114490992. Its totient is φ = 16355808.

The previous prime is 53156447. The next prime is 53156479. The reversal of 53156454 is 45465135.

53156454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 340669 + ... + 340824.

It is an arithmetic number, because the mean of its divisors is an integer number (7155687).

Almost surely, 2^53156454 is an apocalyptic number.

53156454 is an abundant number, since it is smaller than the sum of its proper divisors (61334538).

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

53156454 is a wasteful number, since it uses less digits than its factorization.

53156454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681511.

The product of its digits is 36000, while the sum is 33.

The square root of 53156454 is about 7290.8472758658. The cubic root of 53156454 is about 375.9978261154.

The spelling of 53156454 in words is "fifty-three million, one hundred fifty-six thousand, four hundred fifty-four".