49750531 has 4 divisors (see below), whose sum is σ = 52369000. Its totient is φ = 47132064.

The previous prime is 49750513. The next prime is 49750549. The reversal of 49750531 is 13505794.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13505794 = 2 ⋅6752897.

It is an interprime number because it is at equal distance from previous prime (49750513) and next prime (49750549).

It is a cyclic number.

It is not a de Polignac number, because 49750531 - 2⁵ = 49750499 is a prime.

It is a super-2 number, since 2×49750531² = 4950230669563922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49750501) 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, 1309206 + ... + 1309243.

It is an arithmetic number, because the mean of its divisors is an integer number (13092250).

Almost surely, 2^49750531 is an apocalyptic number.

49750531 is a deficient number, since it is larger than the sum of its proper divisors (2618469).

49750531 is a wasteful number, since it uses less digits than its factorization.

49750531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2618468.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 49750531 is about 7053.4056313245. The cubic root of 49750531 is about 367.7894269279.

The spelling of 49750531 in words is "forty-nine million, seven hundred fifty thousand, five hundred thirty-one".