248553477 has 12 divisors (see below), whose sum is σ = 359173984. Its totient is φ = 165632040.

The previous prime is 248553419. The next prime is 248553491. The reversal of 248553477 is 774355842.

248553477 is a `hidden beast` number, since 2 + 48 + 5 + 534 + 77 = 666.

It is not a de Polignac number, because 248553477 - 2¹⁰ = 248552453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248553077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25218 + ... + 33660.

Almost surely, 2^248553477 is an apocalyptic number.

It is an amenable number.

248553477 is a deficient number, since it is larger than the sum of its proper divisors (110620507).

248553477 is a wasteful number, since it uses less digits than its factorization.

248553477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11720 (or 11717 counting only the distinct ones).

The product of its digits is 940800, while the sum is 45.

The square root of 248553477 is about 15765.5788666322. The cubic root of 248553477 is about 628.7431708275.

The spelling of 248553477 in words is "two hundred forty-eight million, five hundred fifty-three thousand, four hundred seventy-seven".