48931690 has 8 divisors (see below), whose sum is σ = 88077060. Its totient is φ = 19572672.

The previous prime is 48931679. The next prime is 48931691. The reversal of 48931690 is 9613984.

It can be written as a sum of positive squares in 2 ways, for example, as 44235801 + 4695889 = 6651^2 + 2167^2 .

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

It is a super-2 number, since 2×48931690² = 4788620572512200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (48931691) 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, 2446575 + ... + 2446594.

Almost surely, 2^48931690 is an apocalyptic number.

48931690 is a deficient number, since it is larger than the sum of its proper divisors (39145370).

48931690 is a wasteful number, since it uses less digits than its factorization.

48931690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4893176.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 48931690 is about 6995.1190125687. The cubic root of 48931690 is about 365.7604462259.

The spelling of 48931690 in words is "forty-eight million, nine hundred thirty-one thousand, six hundred ninety".