49143800 has 24 divisors (see below), whose sum is σ = 114259800. Its totient is φ = 19657440.

The previous prime is 49143791. The next prime is 49143827. The reversal of 49143800 is 834194.

It is a super-2 number, since 2×49143800² = 4830226156880000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 122660 + ... + 123059.

It is an arithmetic number, because the mean of its divisors is an integer number (4760825).

Almost surely, 2^49143800 is an apocalyptic number.

49143800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49143800 is an abundant number, since it is smaller than the sum of its proper divisors (65116000).

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

49143800 is a wasteful number, since it uses less digits than its factorization.

49143800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245735 (or 245726 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 49143800 is about 7010.2639037343. The cubic root of 49143800 is about 366.2881861352.

Adding to 49143800 its reverse (834194), we get a palindrome (49977994).

The spelling of 49143800 in words is "forty-nine million, one hundred forty-three thousand, eight hundred".