49977481 has 8 divisors (see below), whose sum is σ = 51613760. Its totient is φ = 48362832.

The previous prime is 49977449. The next prime is 49977493. The reversal of 49977481 is 18477994.

49977481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49977481 - 2⁵ = 49977449 is a prime.

It is a super-2 number, since 2×49977481² = 4995497214210722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49977181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 645 + ... + 10018.

It is an arithmetic number, because the mean of its divisors is an integer number (6451720).

Almost surely, 2^49977481 is an apocalyptic number.

It is an amenable number.

49977481 is a deficient number, since it is larger than the sum of its proper divisors (1636279).

49977481 is a wasteful number, since it uses less digits than its factorization.

49977481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10815.

The product of its digits is 508032, while the sum is 49.

The square root of 49977481 is about 7069.4752987757. The cubic root of 49977481 is about 368.3478344220.

The spelling of 49977481 in words is "forty-nine million, nine hundred seventy-seven thousand, four hundred eighty-one".