49461987 has 8 divisors (see below), whose sum is σ = 66262720. Its totient is φ = 32817960.

The previous prime is 49461961. The next prime is 49461989. The reversal of 49461987 is 78916494.

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

It is not a de Polignac number, because 49461987 - 2¹⁹ = 48937699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49461989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38437 + ... + 39702.

It is an arithmetic number, because the mean of its divisors is an integer number (8282840).

Almost surely, 2^49461987 is an apocalyptic number.

49461987 is a deficient number, since it is larger than the sum of its proper divisors (16800733).

49461987 is a wasteful number, since it uses less digits than its factorization.

49461987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78353.

The product of its digits is 435456, while the sum is 48.

The square root of 49461987 is about 7032.9216546184. The cubic root of 49461987 is about 367.0770106688.

It can be divided in two parts, 494 and 61987, that added together give a triangular number (62481 = T₃₅₃).

The spelling of 49461987 in words is "forty-nine million, four hundred sixty-one thousand, nine hundred eighty-seven".