54247380 has 48 divisors (see below), whose sum is σ = 165703104. Its totient is φ = 13150720.

The previous prime is 54247367. The next prime is 54247393. The reversal of 54247380 is 8374245.

It is an interprime number because it is at equal distance from previous prime (54247367) and next prime (54247393).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40437 + ... + 41756.

It is an arithmetic number, because the mean of its divisors is an integer number (3452148).

Almost surely, 2^54247380 is an apocalyptic number.

It is an amenable number.

54247380 is an abundant number, since it is smaller than the sum of its proper divisors (111455724).

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

54247380 is a wasteful number, since it uses less digits than its factorization.

54247380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82216 (or 82214 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 54247380 is about 7365.2820719915. The cubic root of 54247380 is about 378.5526196558.

The spelling of 54247380 in words is "fifty-four million, two hundred forty-seven thousand, three hundred eighty".