49029881 has 2 divisors, whose sum is σ = 49029882. Its totient is φ = 49029880.

The previous prime is 49029857. The next prime is 49029907. The reversal of 49029881 is 18892094.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48930025 + 99856 = 6995^2 + 316^2 .

It is a cyclic number.

It is not a de Polignac number, because 49029881 - 2¹⁰ = 49028857 is a prime.

It is a super-2 number, since 2×49029881² = 4807858461748322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (49029811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24514940 + 24514941.

It is an arithmetic number, because the mean of its divisors is an integer number (24514941).

Almost surely, 2^49029881 is an apocalyptic number.

It is an amenable number.

49029881 is a deficient number, since it is larger than the sum of its proper divisors (1).

49029881 is an equidigital number, since it uses as much as digits as its factorization.

49029881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 41.

The square root of 49029881 is about 7002.1340318506. The cubic root of 49029881 is about 366.0049393662.

The spelling of 49029881 in words is "forty-nine million, twenty-nine thousand, eight hundred eighty-one".