49572018 has 12 divisors (see below), whose sum is σ = 107406078. Its totient is φ = 16524000.

The previous prime is 49571953. The next prime is 49572023. The reversal of 49572018 is 81027594.

49572018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 48066489 + 1505529 = 6933^2 + 1227^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1376983 + ... + 1377018.

Almost surely, 2^49572018 is an apocalyptic number.

49572018 is an abundant number, since it is smaller than the sum of its proper divisors (57834060).

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

49572018 is a wasteful number, since it uses less digits than its factorization.

49572018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2754009 (or 2754006 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 49572018 is about 7040.7398758937. The cubic root of 49572018 is about 367.3490036350.

The spelling of 49572018 in words is "forty-nine million, five hundred seventy-two thousand, eighteen".