54747220 has 24 divisors (see below), whose sum is σ = 125421408. Its totient is φ = 19908000.

The previous prime is 54747197. The next prime is 54747223. The reversal of 54747220 is 2274745.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54747223) 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, 124206 + ... + 124645.

It is an arithmetic number, because the mean of its divisors is an integer number (5225892).

Almost surely, 2^54747220 is an apocalyptic number.

It is an amenable number.

54747220 is an abundant number, since it is smaller than the sum of its proper divisors (70674188).

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

54747220 is a wasteful number, since it uses less digits than its factorization.

54747220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248871 (or 248869 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 54747220 is about 7399.1364360985. The cubic root of 54747220 is about 379.7117389111.

The spelling of 54747220 in words is "fifty-four million, seven hundred forty-seven thousand, two hundred twenty".