53376506687 has 48 divisors (see below), whose sum is σ = 67652256672. Its totient is φ = 41821194240.

The previous prime is 53376506671. The next prime is 53376506717. The reversal of 53376506687 is 78660567335.

It is a happy number.

It is not a de Polignac number, because 53376506687 - 2⁴ = 53376506671 is a prime.

It is a super-2 number, since 2×53376506687² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53376509687) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6479123 + ... + 6487355.

It is an arithmetic number, because the mean of its divisors is an integer number (1409422014).

Almost surely, 2^53376506687 is an apocalyptic number.

53376506687 is a deficient number, since it is larger than the sum of its proper divisors (14275749985).

53376506687 is a wasteful number, since it uses less digits than its factorization.

53376506687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8488 (or 8481 counting only the distinct ones).

The product of its (nonzero) digits is 19051200, while the sum is 56.

The spelling of 53376506687 in words is "fifty-three billion, three hundred seventy-six million, five hundred six thousand, six hundred eighty-seven".