49513000 has 64 divisors (see below), whose sum is σ = 117748800. Its totient is φ = 19483200.

The previous prime is 49512989. The next prime is 49513001. The reversal of 49513000 is 31594.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49513001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66631 + ... + 67369.

It is an arithmetic number, because the mean of its divisors is an integer number (1839825).

Almost surely, 2^49513000 is an apocalyptic number.

49513000 is a gapful number since it is divisible by the number (40) 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 49513000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58874400).

49513000 is an abundant number, since it is smaller than the sum of its proper divisors (68235800).

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

49513000 is a wasteful number, since it uses less digits than its factorization.

49513000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827 (or 813 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 49513000 is about 7036.5474488559. The cubic root of 49513000 is about 367.2031632069.

Adding to 49513000 its reverse (31594), we get a palindrome (49544594).

The spelling of 49513000 in words is "forty-nine million, five hundred thirteen thousand".