48994978 has 12 divisors (see below), whose sum is σ = 76116690. Its totient is φ = 23651936.

The previous prime is 48994963. The next prime is 48994987. The reversal of 48994978 is 87949984.

It can be written as a sum of positive squares in 3 ways, for example, as 37859409 + 11135569 = 6153^2 + 3337^2 .

It is a Harshad number since it is a multiple of its sum of digits (58).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12883 + ... + 16246.

Almost surely, 2^48994978 is an apocalyptic number.

48994978 is a deficient number, since it is larger than the sum of its proper divisors (27121712).

48994978 is a wasteful number, since it uses less digits than its factorization.

48994978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29189 (or 29160 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 58.

The square root of 48994978 is about 6999.6412765227. The cubic root of 48994978 is about 365.9180691920.

The spelling of 48994978 in words is "forty-eight million, nine hundred ninety-four thousand, nine hundred seventy-eight".