248740055 has 8 divisors (see below), whose sum is σ = 311465952. Its totient is φ = 190340128.

The previous prime is 248740033. The next prime is 248740061. The reversal of 248740055 is 550047842.

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

It is a cyclic number.

It is not a de Polignac number, because 248740055 - 2⁶ = 248739991 is a prime.

It is a super-2 number, since 2×248740055² = 123743229922806050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 248739997 and 248740024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1081364 + ... + 1081593.

It is an arithmetic number, because the mean of its divisors is an integer number (38933244).

Almost surely, 2^248740055 is an apocalyptic number.

248740055 is a deficient number, since it is larger than the sum of its proper divisors (62725897).

248740055 is a wasteful number, since it uses less digits than its factorization.

248740055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2162985.

The product of its (nonzero) digits is 44800, while the sum is 35.

The square root of 248740055 is about 15771.4950147410. The cubic root of 248740055 is about 628.9004546227.

Adding to 248740055 its reverse (550047842), we get a palindrome (798787897).

The spelling of 248740055 in words is "two hundred forty-eight million, seven hundred forty thousand, fifty-five".