48977631 has 6 divisors (see below), whose sum is σ = 70745480. Its totient is φ = 32651748.

The previous prime is 48977597. The next prime is 48977639. The reversal of 48977631 is 13677984.

48977631 is a `hidden beast` number, since 4 + 8 + 9 + 7 + 7 + 631 = 666.

It is not a de Polignac number, because 48977631 - 2¹¹ = 48975583 is a prime.

It is a super-2 number, since 2×48977631² = 4797616676744322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48977639) 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, 2720971 + ... + 2720988.

Almost surely, 2^48977631 is an apocalyptic number.

48977631 is a deficient number, since it is larger than the sum of its proper divisors (21767849).

48977631 is a wasteful number, since it uses less digits than its factorization.

48977631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5441965 (or 5441962 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 48977631 is about 6998.4020318927. The cubic root of 48977631 is about 365.8748788469.

The spelling of 48977631 in words is "forty-eight million, nine hundred seventy-seven thousand, six hundred thirty-one".