49402491 has 4 divisors (see below), whose sum is σ = 65869992. Its totient is φ = 32934992.

The previous prime is 49402477. The next prime is 49402501. The reversal of 49402491 is 19420494.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49402491 - 2¹⁴ = 49386107 is a prime.

It is a super-2 number, since 2×49402491² = 4881212234010162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49401491) 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, 8233746 + ... + 8233751.

It is an arithmetic number, because the mean of its divisors is an integer number (16467498).

Almost surely, 2^49402491 is an apocalyptic number.

49402491 is a deficient number, since it is larger than the sum of its proper divisors (16467501).

49402491 is a wasteful number, since it uses less digits than its factorization.

49402491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16467500.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 49402491 is about 7028.6905608371. The cubic root of 49402491 is about 366.9297704836.

The spelling of 49402491 in words is "forty-nine million, four hundred two thousand, four hundred ninety-one".