48557520 has 120 divisors (see below), whose sum is σ = 177926112. Its totient is φ = 11769600.

The previous prime is 48557519. The next prime is 48557527. The reversal of 48557520 is 2575584.

It is a happy number.

48557520 is a `hidden beast` number, since 4 + 85 + 57 + 520 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48557527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4855 + ... + 10985.

Almost surely, 2^48557520 is an apocalyptic number.

48557520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48557520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88963056).

48557520 is an abundant number, since it is smaller than the sum of its proper divisors (129368592).

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

48557520 is a wasteful number, since it uses less digits than its factorization.

48557520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6161 (or 6152 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

The square root of 48557520 is about 6968.3226102126. The cubic root of 48557520 is about 364.8257628389.

The spelling of 48557520 in words is "forty-eight million, five hundred fifty-seven thousand, five hundred twenty".