49121886 has 32 divisors (see below), whose sum is σ = 108078336. Its totient is φ = 14883000.

The previous prime is 49121879. The next prime is 49121893. The reversal of 49121886 is 68812194.

It is an interprime number because it is at equal distance from previous prime (49121879) and next prime (49121893).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4911 + ... + 11061.

It is an arithmetic number, because the mean of its divisors is an integer number (3377448).

Almost surely, 2^49121886 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49121886, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54039168).

49121886 is an abundant number, since it is smaller than the sum of its proper divisors (58956450).

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

49121886 is a wasteful number, since it uses less digits than its factorization.

49121886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6189 (or 6167 counting only the distinct ones).

The product of its digits is 27648, while the sum is 39.

The square root of 49121886 is about 7008.7007355144. The cubic root of 49121886 is about 366.2337334698.

It can be divided in two parts, 4912188 and 6, that added together give a palindrome (4912194).

The spelling of 49121886 in words is "forty-nine million, one hundred twenty-one thousand, eight hundred eighty-six".