245513405152550 has 24 divisors (see below), whose sum is σ = 460696127696856. Its totient is φ = 97336288058240.

The previous prime is 245513405152523. The next prime is 245513405152553. The reversal of 245513405152550 is 55251504315542.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 245513405152495 and 245513405152504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245513405152553) 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, 21726844364 + ... + 21726855663.

It is an arithmetic number, because the mean of its divisors is an integer number (19195671987369).

Almost surely, 2^{245513405152550} is an apocalyptic number.

245513405152550 is a deficient number, since it is larger than the sum of its proper divisors (215182722544306).

245513405152550 is a wasteful number, since it uses less digits than its factorization.

245513405152550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43453700152 (or 43453700147 counting only the distinct ones).

The product of its (nonzero) digits is 3000000, while the sum is 47.

The spelling of 245513405152550 in words is "two hundred forty-five trillion, five hundred thirteen billion, four hundred five million, one hundred fifty-two thousand, five hundred fifty".