49911552 has 180 divisors, whose sum is σ = 155814120. Its totient is φ = 15869952.

The previous prime is 49911551. The next prime is 49911553. The reversal of 49911552 is 25511994.

49911552 is a `hidden beast` number, since 4 + 99 + 11 + 552 = 666.

It is an interprime number because it is at equal distance from previous prime (49911551) and next prime (49911553).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49911551) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 601303 + ... + 601385.

It is an arithmetic number, because the mean of its divisors is an integer number (865634).

Almost surely, 2^49911552 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 49911552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77907060).

49911552 is an abundant number, since it is smaller than the sum of its proper divisors (105902568).

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

49911552 is an equidigital number, since it uses as much as digits as its factorization.

49911552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 117 counting only the distinct ones).

The product of its digits is 16200, while the sum is 36.

The square root of 49911552 is about 7064.8108254928. The cubic root of 49911552 is about 368.1857915022.

The spelling of 49911552 in words is "forty-nine million, nine hundred eleven thousand, five hundred fifty-two".