53466138 has 24 divisors (see below), whose sum is σ = 126374976. Its totient is φ = 16201800.

The previous prime is 53466137. The next prime is 53466143. The reversal of 53466138 is 83166435.

53466138 is a `hidden beast` number, since 5 + 34 + 6 + 613 + 8 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53466131) 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, 134818 + ... + 135213.

It is an arithmetic number, because the mean of its divisors is an integer number (5265624).

Almost surely, 2^53466138 is an apocalyptic number.

53466138 is an abundant number, since it is smaller than the sum of its proper divisors (72908838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53466138 is a wasteful number, since it uses less digits than its factorization.

53466138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270050 (or 270047 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 53466138 is about 7312.0542941091. The cubic root of 53466138 is about 376.7265875208.

The spelling of 53466138 in words is "fifty-three million, four hundred sixty-six thousand, one hundred thirty-eight".