48661623 has 24 divisors (see below), whose sum is σ = 74692800. Its totient is φ = 30469824.

The previous prime is 48661619. The next prime is 48661637. The reversal of 48661623 is 32616684.

It is not a de Polignac number, because 48661623 - 2² = 48661619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48661673) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7138 + ... + 12176.

It is an arithmetic number, because the mean of its divisors is an integer number (3112200).

Almost surely, 2^48661623 is an apocalyptic number.

48661623 is a deficient number, since it is larger than the sum of its proper divisors (26031177).

48661623 is a wasteful number, since it uses less digits than its factorization.

48661623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5111 (or 5108 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 48661623 is about 6975.7883425460. The cubic root of 48661623 is about 365.0862947273.

It can be divided in two parts, 48661 and 623, that added together give a square (49284 = 222²).

The spelling of 48661623 in words is "forty-eight million, six hundred sixty-one thousand, six hundred twenty-three".