52402644 has 36 divisors (see below), whose sum is σ = 151386144. Its totient is φ = 14972112.

The previous prime is 52402639. The next prime is 52402673. The reversal of 52402644 is 44620425.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103722 + ... + 104225.

Almost surely, 2^52402644 is an apocalyptic number.

It is an amenable number.

52402644 is an abundant number, since it is smaller than the sum of its proper divisors (98983500).

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

52402644 is a wasteful number, since it uses less digits than its factorization.

52402644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207964 (or 207959 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 52402644 is about 7238.9670533854. The cubic root of 52402644 is about 374.2120200600.

The spelling of 52402644 in words is "fifty-two million, four hundred two thousand, six hundred forty-four".