48515544 has 128 divisors (see below), whose sum is σ = 168076800. Its totient is φ = 12597120.

The previous prime is 48515543. The next prime is 48515549. The reversal of 48515544 is 44551584.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 48515499 and 48515508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48515543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15174 + ... + 18090.

It is an arithmetic number, because the mean of its divisors is an integer number (1313100).

Almost surely, 2^48515544 is an apocalyptic number.

48515544 is a gapful number since it is divisible by the number (44) 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 48515544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84038400).

48515544 is an abundant number, since it is smaller than the sum of its proper divisors (119561256).

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

48515544 is a wasteful number, since it uses less digits than its factorization.

48515544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2950 (or 2940 counting only the distinct ones).

The product of its digits is 64000, while the sum is 36.

The square root of 48515544 is about 6965.3100433505. The cubic root of 48515544 is about 364.7206068569.

The spelling of 48515544 in words is "forty-eight million, five hundred fifteen thousand, five hundred forty-four".