54287620 has 24 divisors (see below), whose sum is σ = 114841944. Its totient is φ = 21555456.

The previous prime is 54287609. The next prime is 54287663. The reversal of 54287620 is 2678245.

It can be written as a sum of positive squares in 4 ways, for example, as 196 + 54287424 = 14^2 + 7368^2 .

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, 7167 + ... + 12646.

It is an arithmetic number, because the mean of its divisors is an integer number (4785081).

Almost surely, 2^54287620 is an apocalyptic number.

It is an amenable number.

54287620 is an abundant number, since it is smaller than the sum of its proper divisors (60554324).

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

54287620 is a wasteful number, since it uses less digits than its factorization.

54287620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19959 (or 19957 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 54287620 is about 7368.0133007480. The cubic root of 54287620 is about 378.6461983222.

The spelling of 54287620 in words is "fifty-four million, two hundred eighty-seven thousand, six hundred twenty".