49412578 has 16 divisors (see below), whose sum is σ = 80712000. Its totient is φ = 22598352.

The previous prime is 49412569. The next prime is 49412593. The reversal of 49412578 is 87521494.

49412578 = T₁₁₇ + T₁₁₈ + ... + T₆₆₇.

It is a self number, because there is not a number n which added to its sum of digits gives 49412578.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21318 + ... + 23521.

It is an arithmetic number, because the mean of its divisors is an integer number (5044500).

Almost surely, 2^49412578 is an apocalyptic number.

49412578 is a deficient number, since it is larger than the sum of its proper divisors (31299422).

49412578 is a wasteful number, since it uses less digits than its factorization.

49412578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44889.

The product of its digits is 80640, while the sum is 40.

The square root of 49412578 is about 7029.4080831888. The cubic root of 49412578 is about 366.9547420228.

The spelling of 49412578 in words is "forty-nine million, four hundred twelve thousand, five hundred seventy-eight".