49281885 has 32 divisors (see below), whose sum is σ = 88058880. Its totient is φ = 26149824.

The previous prime is 49281871. The next prime is 49281887. The reversal of 49281885 is 58818294.

It is a happy number.

49281885 is a `hidden beast` number, since 492 + 81 + 8 + 85 = 666.

It is not a de Polignac number, because 49281885 - 2⁶ = 49281821 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 49281885.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49281887) 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, 29287 + ... + 30923.

It is an arithmetic number, because the mean of its divisors is an integer number (2751840).

Almost surely, 2^49281885 is an apocalyptic number.

49281885 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

49281885 is a deficient number, since it is larger than the sum of its proper divisors (38776995).

49281885 is a wasteful number, since it uses less digits than its factorization.

49281885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1874 (or 1868 counting only the distinct ones).

The product of its digits is 184320, while the sum is 45.

The square root of 49281885 is about 7020.1057684340. The cubic root of 49281885 is about 366.6309326976.

The spelling of 49281885 in words is "forty-nine million, two hundred eighty-one thousand, eight hundred eighty-five".