58261640 has 16 divisors (see below), whose sum is σ = 131088780. Its totient is φ = 23304640.

The previous prime is 58261639. The next prime is 58261661. The reversal of 58261640 is 4616285.

It can be written as a sum of positive squares in 2 ways, for example, as 55323844 + 2937796 = 7438^2 + 1714^2 .

It is a junction number, because it is equal to n+sod(n) for n = 58261597 and 58261606.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 728231 + ... + 728310.

Almost surely, 2^58261640 is an apocalyptic number.

It is an amenable number.

58261640 is an abundant number, since it is smaller than the sum of its proper divisors (72827140).

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

58261640 is a wasteful number, since it uses less digits than its factorization.

58261640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456552 (or 1456548 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 58261640 is about 7632.9312848997. The cubic root of 58261640 is about 387.6688462926.

The spelling of 58261640 in words is "fifty-eight million, two hundred sixty-one thousand, six hundred forty".