49671552 has 128 divisors (see below), whose sum is σ = 159805440. Its totient is φ = 13344768.

The previous prime is 49671499. The next prime is 49671553. The reversal of 49671552 is 25517694.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 49671552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49671553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45153 + ... + 46239.

It is an arithmetic number, because the mean of its divisors is an integer number (1248480).

Almost surely, 2^49671552 is an apocalyptic number.

49671552 is a gapful number since it is divisible by the number (42) 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 49671552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79902720).

49671552 is an abundant number, since it is smaller than the sum of its proper divisors (110133888).

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

49671552 is a wasteful number, since it uses less digits than its factorization.

49671552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128 (or 1116 counting only the distinct ones).

The product of its digits is 75600, while the sum is 39.

The square root of 49671552 is about 7047.8047646058. The cubic root of 49671552 is about 367.5947018654.

The spelling of 49671552 in words is "forty-nine million, six hundred seventy-one thousand, five hundred fifty-two".