49951904 has 12 divisors (see below), whose sum is σ = 98342874. Its totient is φ = 24975936.

The previous prime is 49951903. The next prime is 49951907. The reversal of 49951904 is 40915994.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 42876304 + 7075600 = 6548^2 + 2660^2 .

It is not an unprimeable number, because it can be changed into a prime (49951903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 780467 + ... + 780530.

Almost surely, 2^49951904 is an apocalyptic number.

It is an amenable number.

49951904 is a deficient number, since it is larger than the sum of its proper divisors (48390970).

49951904 is a wasteful number, since it uses less digits than its factorization.

49951904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1561007 (or 1560999 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 49951904 is about 7067.6660928485. Note that the first 3 decimals coincide. The cubic root of 49951904 is about 368.2849871823.

The spelling of 49951904 in words is "forty-nine million, nine hundred fifty-one thousand, nine hundred four".