49154881 has 4 divisors (see below), whose sum is σ = 51742000. Its totient is φ = 46567764.

The previous prime is 49154867. The next prime is 49154893. The reversal of 49154881 is 18845194.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49154881 - 2⁷ = 49154753 is a prime.

It is a super-2 number, since 2×49154881² = 4832404652248322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49154851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1293531 + ... + 1293568.

It is an arithmetic number, because the mean of its divisors is an integer number (12935500).

Almost surely, 2^49154881 is an apocalyptic number.

It is an amenable number.

49154881 is a deficient number, since it is larger than the sum of its proper divisors (2587119).

49154881 is a wasteful number, since it uses less digits than its factorization.

49154881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2587118.

The product of its digits is 46080, while the sum is 40.

The square root of 49154881 is about 7011.0542003325. The cubic root of 49154881 is about 366.3157144254.

The spelling of 49154881 in words is "forty-nine million, one hundred fifty-four thousand, eight hundred eighty-one".