49091506 has 8 divisors (see below), whose sum is σ = 74396700. Its totient is φ = 24292608.

The previous prime is 49091501. The next prime is 49091513. The reversal of 49091506 is 60519094.

It can be written as a sum of positive squares in 2 ways, for example, as 47734281 + 1357225 = 6909^2 + 1165^2 .

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

It is a super-2 number, since 2×49091506² = 4819951922696072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49091501) 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, 126331 + ... + 126718.

Almost surely, 2^49091506 is an apocalyptic number.

49091506 is a deficient number, since it is larger than the sum of its proper divisors (25305194).

49091506 is a wasteful number, since it uses less digits than its factorization.

49091506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253148.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 49091506 is about 7006.5330941914. The cubic root of 49091506 is about 366.1582174000.

The spelling of 49091506 in words is "forty-nine million, ninety-one thousand, five hundred six".