49015650 has 96 divisors (see below), whose sum is σ = 127991808. Its totient is φ = 12398400.

The previous prime is 49015643. The next prime is 49015651. The reversal of 49015650 is 5651094.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49015651) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 385887 + ... + 386013.

It is an arithmetic number, because the mean of its divisors is an integer number (1333248).

Almost surely, 2^49015650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49015650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63995904).

49015650 is an abundant number, since it is smaller than the sum of its proper divisors (78976158).

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

49015650 is a wasteful number, since it uses less digits than its factorization.

49015650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 49015650 is about 7001.1177678996. The cubic root of 49015650 is about 365.9695247700.

The spelling of 49015650 in words is "forty-nine million, fifteen thousand, six hundred fifty".