49312000 has 144 divisors (see below), whose sum is σ = 130096512. Its totient is φ = 18585600.

The previous prime is 49311991. The next prime is 49312007. The reversal of 49312000 is 21394.

It is not an unprimeable number, because it can be changed into a prime (49312007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 735967 + ... + 736033.

It is an arithmetic number, because the mean of its divisors is an integer number (903448).

Almost surely, 2^49312000 is an apocalyptic number.

49312000 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 49312000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65048256).

49312000 is an abundant number, since it is smaller than the sum of its proper divisors (80784512).

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

49312000 is an equidigital number, since it uses as much as digits as its factorization.

49312000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 97 counting only the distinct ones).

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

The square root of 49312000 is about 7022.2503515611. The cubic root of 49312000 is about 366.7055973356.

Adding to 49312000 its reverse (21394), we get a palindrome (49333394).

The spelling of 49312000 in words is "forty-nine million, three hundred twelve thousand".