53774470412645 has 8 divisors (see below), whose sum is σ = 64780451518104. Its totient is φ = 42852184981504.

The previous prime is 53774470412581. The next prime is 53774470412651. The reversal of 53774470412645 is 54621407447735.

It can be written as a sum of positive squares in 4 ways, for example, as 5552917870369 + 48221552542276 = 2356463^2 + 6944174^2 .

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 53774470412645 - 2⁶ = 53774470412581 is a prime.

It is a Duffinian number.

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, 20923917164 + ... + 20923919733.

It is an arithmetic number, because the mean of its divisors is an integer number (8097556439763).

Almost surely, 2^{53774470412645} is an apocalyptic number.

It is an amenable number.

53774470412645 is a deficient number, since it is larger than the sum of its proper divisors (11005981105459).

53774470412645 is a wasteful number, since it uses less digits than its factorization.

53774470412645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41847837159.

The product of its (nonzero) digits is 79027200, while the sum is 59.

The spelling of 53774470412645 in words is "fifty-three trillion, seven hundred seventy-four billion, four hundred seventy million, four hundred twelve thousand, six hundred forty-five".