46558821 has 16 divisors (see below), whose sum is σ = 64024128. Its totient is φ = 30076800.

The previous prime is 46558793. The next prime is 46558829. The reversal of 46558821 is 12885564.

It is not a de Polignac number, because 46558821 - 2¹⁴ = 46542437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 46558821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46558829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18106 + ... + 20516.

It is an arithmetic number, because the mean of its divisors is an integer number (4001508).

Almost surely, 2^46558821 is an apocalyptic number.

46558821 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

46558821 is a deficient number, since it is larger than the sum of its proper divisors (17465307).

46558821 is a wasteful number, since it uses less digits than its factorization.

46558821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2612.

The product of its digits is 76800, while the sum is 39.

The square root of 46558821 is about 6823.4024503909. The cubic root of 46558821 is about 359.7498802752.

The spelling of 46558821 in words is "forty-six million, five hundred fifty-eight thousand, eight hundred twenty-one".