49265820 has 168 divisors, whose sum is σ = 161589120. Its totient is φ = 12597120.

The previous prime is 49265761. The next prime is 49265863. The reversal of 49265820 is 2856294.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 451926 + ... + 452034.

It is an arithmetic number, because the mean of its divisors is an integer number (961840).

Almost surely, 2^49265820 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 49265820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80794560).

49265820 is an abundant number, since it is smaller than the sum of its proper divisors (112323300).

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

49265820 is a wasteful number, since it uses less digits than its factorization.

49265820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 49265820 is about 7018.9614616409. The cubic root of 49265820 is about 366.5910900248.

The spelling of 49265820 in words is "forty-nine million, two hundred sixty-five thousand, eight hundred twenty".