245520550 has 24 divisors (see below), whose sum is σ = 498184632. Its totient is φ = 89280000.

The previous prime is 245520533. The next prime is 245520559. The reversal of 245520550 is 55025542.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245520559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 222651 + ... + 223750.

It is an arithmetic number, because the mean of its divisors is an integer number (20757693).

Almost surely, 2^245520550 is an apocalyptic number.

245520550 is an abundant number, since it is smaller than the sum of its proper divisors (252664082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245520550 is a wasteful number, since it uses less digits than its factorization.

245520550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446424 (or 446419 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 28.

The square root of 245520550 is about 15669.0953791213. The cubic root of 245520550 is about 626.1753243947.

It can be divided in two parts, 2455 and 20550, that added together give a triangular number (23005 = T₂₁₄).

The spelling of 245520550 in words is "two hundred forty-five million, five hundred twenty thousand, five hundred fifty".