53166465 has 48 divisors (see below), whose sum is σ = 105842880. Its totient is φ = 24416640.

The previous prime is 53166439. The next prime is 53166517. The reversal of 53166465 is 56466135.

53166465 is a `hidden beast` number, since 5 + 3 + 1 + 6 + 646 + 5 = 666.

It is not a de Polignac number, because 53166465 - 2¹⁴ = 53150081 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6579 + ... + 12231.

It is an arithmetic number, because the mean of its divisors is an integer number (2205060).

Almost surely, 2^53166465 is an apocalyptic number.

53166465 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53166465 is a deficient number, since it is larger than the sum of its proper divisors (52676415).

53166465 is a wasteful number, since it uses less digits than its factorization.

53166465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5694 (or 5691 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 53166465 is about 7291.5337892655. The cubic root of 53166465 is about 376.0214286301.

Subtracting from 53166465 its product of digits (64800), we obtain a triangular number (53101665 = T₁₀₃₀₅).

It can be divided in two parts, 5316 and 6465, that added together give a triangular number (11781 = T₁₅₃).

The spelling of 53166465 in words is "fifty-three million, one hundred sixty-six thousand, four hundred sixty-five".