53240166 has 120 divisors (see below), whose sum is σ = 146492280. Its totient is φ = 14370048.

The previous prime is 53240123. The next prime is 53240167. The reversal of 53240166 is 66104235.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53240167) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 150646 + ... + 150998.

It is an arithmetic number, because the mean of its divisors is an integer number (1220769).

Almost surely, 2^53240166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53240166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73246140).

53240166 is an abundant number, since it is smaller than the sum of its proper divisors (93252114).

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

53240166 is a wasteful number, since it uses less digits than its factorization.

53240166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400 (or 384 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 53240166 is about 7296.5859139737. The cubic root of 53240166 is about 376.1950992547.

The spelling of 53240166 in words is "fifty-three million, two hundred forty thousand, one hundred sixty-six".