54213210 has 48 divisors (see below), whose sum is σ = 141837696. Its totient is φ = 14366304.

The previous prime is 54213179. The next prime is 54213227. The reversal of 54213210 is 1231245.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13227 + ... + 16833.

It is an arithmetic number, because the mean of its divisors is an integer number (2954952).

Almost surely, 2^54213210 is an apocalyptic number.

54213210 is the 6012-nd pentagonal number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54213210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70918848).

54213210 is an abundant number, since it is smaller than the sum of its proper divisors (87624486).

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

54213210 is a wasteful number, since it uses less digits than its factorization.

54213210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3787 (or 3784 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 54213210 is about 7362.9620398315. The cubic root of 54213210 is about 378.4731205176.

Adding to 54213210 its reverse (1231245), we get a palindrome (55444455).

The spelling of 54213210 in words is "fifty-four million, two hundred thirteen thousand, two hundred ten".