49045500 has 240 divisors, whose sum is σ = 183927744. Its totient is φ = 11145600.

The previous prime is 49045439. The next prime is 49045501. The reversal of 49045500 is 554094.

It is a super-2 number, since 2×49045500² = 4810922140500000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49045501) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 283414 + ... + 283586.

Almost surely, 2^49045500 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 49045500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91963872).

49045500 is an abundant number, since it is smaller than the sum of its proper divisors (134882244).

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

49045500 is a wasteful number, since it uses less digits than its factorization.

49045500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 49045500 is about 7003.2492458858. The cubic root of 49045500 is about 366.0438001868.

Adding to 49045500 its reverse (554094), we get a palindrome (49599594).

It can be divided in two parts, 4904 and 5500, that added together give a square (10404 = 102²).

The spelling of 49045500 in words is "forty-nine million, forty-five thousand, five hundred".