49999031 has 2 divisors, whose sum is σ = 49999032. Its totient is φ = 49999030.

The previous prime is 49998983. The next prime is 49999069. The reversal of 49999031 is 13099994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49999031 - 2¹⁰ = 49998007 is a prime.

It is a super-2 number, since 2×49999031² = 4999806201877922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49999231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24999515 + 24999516.

It is an arithmetic number, because the mean of its divisors is an integer number (24999516).

Almost surely, 2^49999031 is an apocalyptic number.

49999031 is a deficient number, since it is larger than the sum of its proper divisors (1).

49999031 is an equidigital number, since it uses as much as digits as its factorization.

49999031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78732, while the sum is 44.

The square root of 49999031 is about 7070.9992928864. Note that the first 3 decimals coincide. The cubic root of 49999031 is about 368.4007699643.

The spelling of 49999031 in words is "forty-nine million, nine hundred ninety-nine thousand, thirty-one".