53011656 has 24 divisors (see below), whose sum is σ = 143573430. Its totient is φ = 17670528.

The previous prime is 53011649. The next prime is 53011657. The reversal of 53011656 is 65611035.

It is a happy number.

53011656 is a `hidden beast` number, since 5 + 3 + 0 + 1 + 1 + 656 = 666.

It can be written as a sum of positive squares in only one way, i.e., 51408900 + 1602756 = 7170^2 + 1266^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (53011657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 368065 + ... + 368208.

Almost surely, 2^53011656 is an apocalyptic number.

It is an amenable number.

53011656 is an abundant number, since it is smaller than the sum of its proper divisors (90561774).

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

53011656 is a wasteful number, since it uses less digits than its factorization.

53011656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736285 (or 736278 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 53011656 is about 7280.9103826376. The cubic root of 53011656 is about 375.6561100494.

Subtracting from 53011656 its product of nonzero digits (2700), we obtain a triangular number (53008956 = T₁₀₂₉₆).

The spelling of 53011656 in words is "fifty-three million, eleven thousand, six hundred fifty-six".