58405530 has 16 divisors (see below), whose sum is σ = 140173344. Its totient is φ = 15574800.

The previous prime is 58405517. The next prime is 58405531. The reversal of 58405530 is 3550485.

It is a super-2 number, since 2×58405530² = 6822411869161800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1946851 = 58405530 / (5 + 8 + 4 + 0 + 5 + 5 + 3 + 0).

It is not an unprimeable number, because it can be changed into a prime (58405531) 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, 973396 + ... + 973455.

It is an arithmetic number, because the mean of its divisors is an integer number (8760834).

Almost surely, 2^58405530 is an apocalyptic number.

58405530 is an abundant number, since it is smaller than the sum of its proper divisors (81767814).

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

58405530 is a wasteful number, since it uses less digits than its factorization.

58405530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1946861.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 58405530 is about 7642.3510780387. The cubic root of 58405530 is about 387.9877285594.

The spelling of 58405530 in words is "fifty-eight million, four hundred five thousand, five hundred thirty".