58047990 has 128 divisors (see below), whose sum is σ = 187149312. Its totient is φ = 11128320.

The previous prime is 58047973. The next prime is 58047991. The reversal of 58047990 is 9974085.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58047991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29064 + ... + 30996.

It is an arithmetic number, because the mean of its divisors is an integer number (1462104).

Almost surely, 2^58047990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 58047990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93574656).

58047990 is an abundant number, since it is smaller than the sum of its proper divisors (129101322).

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

58047990 is a wasteful number, since it uses less digits than its factorization.

58047990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1974.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 58047990 is about 7618.9231522571. The cubic root of 58047990 is about 387.1943951887.

The spelling of 58047990 in words is "fifty-eight million, forty-seven thousand, nine hundred ninety".