53668842 has 16 divisors (see below), whose sum is σ = 107612832. Its totient is φ = 17843760.

The previous prime is 53668841. The next prime is 53668883. The reversal of 53668842 is 24886635.

It is a junction number, because it is equal to n+sod(n) for n = 53668794 and 53668803.

It is not an unprimeable number, because it can be changed into a prime (53668841) 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, 8884 + ... + 13647.

It is an arithmetic number, because the mean of its divisors is an integer number (6725802).

Almost surely, 2^53668842 is an apocalyptic number.

53668842 is an abundant number, since it is smaller than the sum of its proper divisors (53943990).

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

53668842 is a wasteful number, since it uses less digits than its factorization.

53668842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22933.

The product of its digits is 276480, while the sum is 42.

The square root of 53668842 is about 7325.9021287484. The cubic root of 53668842 is about 377.2020765348.

It can be divided in two parts, 536 and 68842, that added together give a triangular number (69378 = T₃₇₂).

The spelling of 53668842 in words is "fifty-three million, six hundred sixty-eight thousand, eight hundred forty-two".