49565568 has 64 divisors (see below), whose sum is σ = 141800400. Its totient is φ = 15249408.

The previous prime is 49565567. The next prime is 49565569. The reversal of 49565568 is 86556594.

It is an interprime number because it is at equal distance from previous prime (49565567) and next prime (49565569).

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49565561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28 + ... + 9956.

Almost surely, 2^49565568 is an apocalyptic number.

49565568 is a gapful number since it is divisible by the number (48) 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 49565568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70900200).

49565568 is an abundant number, since it is smaller than the sum of its proper divisors (92234832).

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

49565568 is a wasteful number, since it uses less digits than its factorization.

49565568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9959 (or 9947 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 48.

The square root of 49565568 is about 7040.2818125413. The cubic root of 49565568 is about 367.3330705614. Note that the first 3 decimals are identical.

The spelling of 49565568 in words is "forty-nine million, five hundred sixty-five thousand, five hundred sixty-eight".