53661592 has 32 divisors (see below), whose sum is σ = 105177600. Its totient is φ = 25641504.

The previous prime is 53661583. The next prime is 53661593. The reversal of 53661592 is 29516635.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53661593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14509 + ... + 17827.

It is an arithmetic number, because the mean of its divisors is an integer number (3286800).

Almost surely, 2^53661592 is an apocalyptic number.

It is an amenable number.

53661592 is a deficient number, since it is larger than the sum of its proper divisors (51516008).

53661592 is a wasteful number, since it uses less digits than its factorization.

53661592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3415 (or 3411 counting only the distinct ones).

The product of its digits is 48600, while the sum is 37.

The square root of 53661592 is about 7325.4072924309. The cubic root of 53661592 is about 377.1850906506.

It can be divided in two parts, 536 and 61592, that added together give a triangular number (62128 = T₃₅₂).

The spelling of 53661592 in words is "fifty-three million, six hundred sixty-one thousand, five hundred ninety-two".