49256778 has 32 divisors (see below), whose sum is σ = 104025600. Its totient is φ = 15505776.

The previous prime is 49256749. The next prime is 49256821. The reversal of 49256778 is 87765294.

It is a super-3 number, since 3×49256778³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56913 + ... + 57771.

It is an arithmetic number, because the mean of its divisors is an integer number (3250800).

Almost surely, 2^49256778 is an apocalyptic number.

49256778 is an abundant number, since it is smaller than the sum of its proper divisors (54768822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49256778 is a wasteful number, since it uses less digits than its factorization.

49256778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386.

The product of its digits is 846720, while the sum is 48.

The square root of 49256778 is about 7018.3173196999. The cubic root of 49256778 is about 366.5686612263.

The spelling of 49256778 in words is "forty-nine million, two hundred fifty-six thousand, seven hundred seventy-eight".