49553631 has 6 divisors (see below), whose sum is σ = 71577480. Its totient is φ = 33035748.

The previous prime is 49553617. The next prime is 49553633. The reversal of 49553631 is 13635594.

49553631 is a `hidden beast` number, since 4 + 95 + 536 + 31 = 666.

It is not a de Polignac number, because 49553631 - 2⁷ = 49553503 is a prime.

It is a super-2 number, since 2×49553631² = 4911124690568322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49553633) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2752971 + ... + 2752988.

It is an arithmetic number, because the mean of its divisors is an integer number (11929580).

Almost surely, 2^49553631 is an apocalyptic number.

49553631 is a deficient number, since it is larger than the sum of its proper divisors (22023849).

49553631 is a wasteful number, since it uses less digits than its factorization.

49553631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5505965 (or 5505962 counting only the distinct ones).

The product of its digits is 48600, while the sum is 36.

The square root of 49553631 is about 7039.4339971336. The cubic root of 49553631 is about 367.3035796123.

The spelling of 49553631 in words is "forty-nine million, five hundred fifty-three thousand, six hundred thirty-one".