49523616 has 144 divisors (see below), whose sum is σ = 152651520. Its totient is φ = 15603840.

The previous prime is 49523587. The next prime is 49523627. The reversal of 49523616 is 61632594.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1151691 + ... + 1151733.

It is an arithmetic number, because the mean of its divisors is an integer number (1060080).

Almost surely, 2^49523616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49523616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76325760).

49523616 is an abundant number, since it is smaller than the sum of its proper divisors (103127904).

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

49523616 is a wasteful number, since it uses less digits than its factorization.

49523616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136 (or 79 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 49523616 is about 7037.3017556447. The cubic root of 49523616 is about 367.2294051380.

The spelling of 49523616 in words is "forty-nine million, five hundred twenty-three thousand, six hundred sixteen".