48621861 has 6 divisors (see below), whose sum is σ = 70231590. Its totient is φ = 32414568.

The previous prime is 48621847. The next prime is 48621889. The reversal of 48621861 is 16812684.

It can be written as a sum of positive squares in only one way, i.e., 45360225 + 3261636 = 6735^2 + 1806^2 .

It is not a de Polignac number, because 48621861 - 2¹⁰ = 48620837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48621961) 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, 2701206 + ... + 2701223.

It is an arithmetic number, because the mean of its divisors is an integer number (11705265).

Almost surely, 2^48621861 is an apocalyptic number.

It is an amenable number.

48621861 is a deficient number, since it is larger than the sum of its proper divisors (21609729).

48621861 is a wasteful number, since it uses less digits than its factorization.

48621861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5402435 (or 5402432 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 48621861 is about 6972.9377596534. The cubic root of 48621861 is about 364.9868288235.

The spelling of 48621861 in words is "forty-eight million, six hundred twenty-one thousand, eight hundred sixty-one".