54211620 has 24 divisors (see below), whose sum is σ = 151792704. Its totient is φ = 14456416.

The previous prime is 54211609. The next prime is 54211627. The reversal of 54211620 is 2611245.

It is not an unprimeable number, because it can be changed into a prime (54211627) 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, 451704 + ... + 451823.

It is an arithmetic number, because the mean of its divisors is an integer number (6324696).

Almost surely, 2^54211620 is an apocalyptic number.

It is an amenable number.

54211620 is an abundant number, since it is smaller than the sum of its proper divisors (97581084).

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

54211620 is a wasteful number, since it uses less digits than its factorization.

54211620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903539 (or 903537 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 54211620 is about 7362.8540661893. The cubic root of 54211620 is about 378.4694204468.

Adding to 54211620 its reverse (2611245), we get a palindrome (56822865).

The spelling of 54211620 in words is "fifty-four million, two hundred eleven thousand, six hundred twenty".