49663870 has 16 divisors (see below), whose sum is σ = 90049968. Its totient is φ = 19720000.

The previous prime is 49663847. The next prime is 49663883. The reversal of 49663870 is 7836694.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16756 + ... + 19495.

It is an arithmetic number, because the mean of its divisors is an integer number (5628123).

Almost surely, 2^49663870 is an apocalyptic number.

49663870 is a deficient number, since it is larger than the sum of its proper divisors (40386098).

49663870 is a wasteful number, since it uses less digits than its factorization.

49663870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36395.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 49663870 is about 7047.2597511373. The cubic root of 49663870 is about 367.5757506551.

It can be divided in two parts, 4966 and 3870, that added together give a square (8836 = 94²).

The spelling of 49663870 in words is "forty-nine million, six hundred sixty-three thousand, eight hundred seventy".