49231000 has 128 divisors (see below), whose sum is σ = 142047360. Its totient is φ = 15552000.

The previous prime is 49230991. The next prime is 49231003. The reversal of 49231000 is 13294.

49231000 is nontrivially palindromic in base 9.

It is a super-2 number, since 2×49231000² = 4847382722000000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49231003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90730 + ... + 91270.

It is an arithmetic number, because the mean of its divisors is an integer number (1109745).

Almost surely, 2^49231000 is an apocalyptic number.

49231000 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 49231000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71023680).

49231000 is an abundant number, since it is smaller than the sum of its proper divisors (92816360).

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

49231000 is a wasteful number, since it uses less digits than its factorization.

49231000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582 (or 568 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 49231000 is about 7016.4805992748. The cubic root of 49231000 is about 366.5047034915.

Adding to 49231000 its reverse (13294), we get a palindrome (49244294).

The spelling of 49231000 in words is "forty-nine million, two hundred thirty-one thousand".