53291406 has 16 divisors (see below), whose sum is σ = 121809024. Its totient is φ = 15226104.

The previous prime is 53291389. The next prime is 53291411. The reversal of 53291406 is 60419235.

53291406 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, 634380 + ... + 634463.

It is an arithmetic number, because the mean of its divisors is an integer number (7613064).

Almost surely, 2^53291406 is an apocalyptic number.

53291406 is an abundant number, since it is smaller than the sum of its proper divisors (68517618).

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

53291406 is a wasteful number, since it uses less digits than its factorization.

53291406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268855.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 53291406 is about 7300.0963007347. The cubic root of 53291406 is about 376.3157478653.

The spelling of 53291406 in words is "fifty-three million, two hundred ninety-one thousand, four hundred six".