49071631 has 8 divisors (see below), whose sum is σ = 56125440. Its totient is φ = 42028728.

The previous prime is 49071613. The next prime is 49071641. The reversal of 49071631 is 13617094.

It is a happy number.

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

It is not a de Polignac number, because 49071631 - 2⁵ = 49071599 is a prime.

It is a super-2 number, since 2×49071631² = 4816049938000322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 49071593 and 49071602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49071611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12930 + ... + 16288.

It is an arithmetic number, because the mean of its divisors is an integer number (7015680).

Almost surely, 2^49071631 is an apocalyptic number.

49071631 is a deficient number, since it is larger than the sum of its proper divisors (7053809).

49071631 is a wasteful number, since it uses less digits than its factorization.

49071631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5453.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 49071631 is about 7005.1146314675. The cubic root of 49071631 is about 366.1087969232.

The spelling of 49071631 in words is "forty-nine million, seventy-one thousand, six hundred thirty-one".