53406586 has 16 divisors (see below), whose sum is σ = 81587520. Its totient is φ = 26215200.

The previous prime is 53406557. The next prime is 53406593. The reversal of 53406586 is 68560435.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25885 + ... + 27871.

It is an arithmetic number, because the mean of its divisors is an integer number (5099220).

Almost surely, 2^53406586 is an apocalyptic number.

53406586 is a deficient number, since it is larger than the sum of its proper divisors (28180934).

53406586 is a wasteful number, since it uses less digits than its factorization.

53406586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2229.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 53406586 is about 7307.9809797235. The cubic root of 53406586 is about 376.5866662096.

It can be divided in two parts, 53406 and 586, that multiplied together give a triangular number (31295916 = T₇₉₁₁).

The spelling of 53406586 in words is "fifty-three million, four hundred six thousand, five hundred eighty-six".