53456516 has 6 divisors (see below), whose sum is σ = 93548910. Its totient is φ = 26728256.

The previous prime is 53456509. The next prime is 53456563. The reversal of 53456516 is 61565435.

It can be written as a sum of positive squares in only one way, i.e., 45616516 + 7840000 = 6754^2 + 2800^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6682061 + ... + 6682068.

It is an arithmetic number, because the mean of its divisors is an integer number (15591485).

Almost surely, 2^53456516 is an apocalyptic number.

It is an amenable number.

53456516 is a deficient number, since it is larger than the sum of its proper divisors (40092394).

53456516 is a wasteful number, since it uses less digits than its factorization.

53456516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13364133 (or 13364131 counting only the distinct ones).

The product of its digits is 54000, while the sum is 35.

The square root of 53456516 is about 7311.3963098713. The cubic root of 53456516 is about 376.7039870436.

The spelling of 53456516 in words is "fifty-three million, four hundred fifty-six thousand, five hundred sixteen".