54210020 has 24 divisors (see below), whose sum is σ = 113999424. Its totient is φ = 21653856.

The previous prime is 54210017. The next prime is 54210031. The reversal of 54210020 is 2001245.

It is a super-4 number, since 4×54210020⁴ (a number of 32 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54209977 and 54210004.

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, 17939 + ... + 20741.

It is an arithmetic number, because the mean of its divisors is an integer number (4749976).

Almost surely, 2^54210020 is an apocalyptic number.

It is an amenable number.

54210020 is an abundant number, since it is smaller than the sum of its proper divisors (59789404).

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

54210020 is a wasteful number, since it uses less digits than its factorization.

54210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3779 (or 3777 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 54210020 is about 7362.7454118691. The cubic root of 54210020 is about 378.4656970321.

Adding to 54210020 its reverse (2001245), we get a palindrome (56211265).

The spelling of 54210020 in words is "fifty-four million, two hundred ten thousand, twenty".