48557920 has 48 divisors (see below), whose sum is σ = 120763440. Its totient is φ = 18399744.

The previous prime is 48557897. The next prime is 48557923. The reversal of 48557920 is 2975584.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48557923) 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, 4947 + ... + 11026.

It is an arithmetic number, because the mean of its divisors is an integer number (2515905).

Almost surely, 2^48557920 is an apocalyptic number.

48557920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

48557920 is an abundant number, since it is smaller than the sum of its proper divisors (72205520).

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

48557920 is a wasteful number, since it uses less digits than its factorization.

48557920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16007 (or 15999 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 48557920 is about 6968.3513114653. The cubic root of 48557920 is about 364.8267646055.

The spelling of 48557920 in words is "forty-eight million, five hundred fifty-seven thousand, nine hundred twenty".