58021428 has 24 divisors (see below), whose sum is σ = 135630432. Its totient is φ = 19305184.

The previous prime is 58021409. The next prime is 58021441. The reversal of 58021428 is 82412085.

It is a super-2 number, since 2×58021428² = 6732972214318368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 58021395 and 58021404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2926 + ... + 11162.

It is an arithmetic number, because the mean of its divisors is an integer number (5651268).

Almost surely, 2^58021428 is an apocalyptic number.

It is an amenable number.

58021428 is an abundant number, since it is smaller than the sum of its proper divisors (77609004).

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

58021428 is a wasteful number, since it uses less digits than its factorization.

58021428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8831 (or 8829 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 58021428 is about 7617.1797930730. The cubic root of 58021428 is about 387.1353278169.

The spelling of 58021428 in words is "fifty-eight million, twenty-one thousand, four hundred twenty-eight".