54937220 has 24 divisors (see below), whose sum is σ = 124243224. Its totient is φ = 20284416.

The previous prime is 54937163. The next prime is 54937229. The reversal of 54937220 is 2273945.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3556996 + 51380224 = 1886^2 + 7168^2 .

It is not an unprimeable number, because it can be changed into a prime (54937229) 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, 105389 + ... + 105908.

It is an arithmetic number, because the mean of its divisors is an integer number (5176801).

Almost surely, 2^54937220 is an apocalyptic number.

It is an amenable number.

54937220 is an abundant number, since it is smaller than the sum of its proper divisors (69306004).

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

54937220 is a wasteful number, since it uses less digits than its factorization.

54937220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211319 (or 211317 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 54937220 is about 7411.9646518315. The cubic root of 54937220 is about 380.1504944073.

The spelling of 54937220 in words is "fifty-four million, nine hundred thirty-seven thousand, two hundred twenty".