48190581 has 6 divisors (see below), whose sum is σ = 69608630. Its totient is φ = 32127048.

The previous prime is 48190579. The next prime is 48190591. The reversal of 48190581 is 18509184.

It can be written as a sum of positive squares in only one way, i.e., 34751025 + 13439556 = 5895^2 + 3666^2 .

It is not a de Polignac number, because 48190581 - 2¹ = 48190579 is a prime.

It is a super-2 number, since 2×48190581² = 4644664194235122, 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 (48190591) 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, 2677246 + ... + 2677263.

Almost surely, 2^48190581 is an apocalyptic number.

It is an amenable number.

48190581 is a deficient number, since it is larger than the sum of its proper divisors (21418049).

48190581 is a wasteful number, since it uses less digits than its factorization.

48190581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5354515 (or 5354512 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 48190581 is about 6941.9436039196. The cubic root of 48190581 is about 363.9044676438.

The spelling of 48190581 in words is "forty-eight million, one hundred ninety thousand, five hundred eighty-one".