49961018 has 8 divisors (see below), whose sum is σ = 75218880. Its totient is φ = 24888060.

The previous prime is 49961017. The next prime is 49961027. The reversal of 49961018 is 81016994.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×49961018² = 4992206639192648, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49961017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45548 + ... + 46631.

It is an arithmetic number, because the mean of its divisors is an integer number (9402360).

Almost surely, 2^49961018 is an apocalyptic number.

49961018 is a deficient number, since it is larger than the sum of its proper divisors (25257862).

49961018 is a wasteful number, since it uses less digits than its factorization.

49961018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92452.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 49961018 is about 7068.3108307431. The cubic root of 49961018 is about 368.3073843616.

The spelling of 49961018 in words is "forty-nine million, nine hundred sixty-one thousand, eighteen".