58252644 has 18 divisors (see below), whose sum is σ = 147249830. Its totient is φ = 19417536.

The previous prime is 58252633. The next prime is 58252657. The reversal of 58252644 is 44625285.

It is a happy number.

58252644 is a `hidden beast` number, since 5 + 8 + 2 + 5 + 2 + 644 = 666.

It can be written as a sum of positive squares in only one way, i.e., 56430144 + 1822500 = 7512^2 + 1350^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1618129 = 58252644 / (5 + 8 + 2 + 5 + 2 + 6 + 4 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 58252599 and 58252608.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 809029 + ... + 809100.

Almost surely, 2^58252644 is an apocalyptic number.

It is an amenable number.

58252644 is an abundant number, since it is smaller than the sum of its proper divisors (88997186).

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

58252644 is a wasteful number, since it uses less digits than its factorization.

58252644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618139 (or 1618134 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The square root of 58252644 is about 7632.3419734705. The cubic root of 58252644 is about 387.6488923490.

The spelling of 58252644 in words is "fifty-eight million, two hundred fifty-two thousand, six hundred forty-four".