53742066 has 32 divisors (see below), whose sum is σ = 130066560. Its totient is φ = 14451456.

The previous prime is 53742061. The next prime is 53742067. The reversal of 53742066 is 66024735.

It is not an unprimeable number, because it can be changed into a prime (53742061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36921 + ... + 38348.

It is an arithmetic number, because the mean of its divisors is an integer number (4064580).

Almost surely, 2^53742066 is an apocalyptic number.

53742066 is an abundant number, since it is smaller than the sum of its proper divisors (76324494).

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

53742066 is a wasteful number, since it uses less digits than its factorization.

53742066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75298.

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 53742066 is about 7330.8980350295. The cubic root of 53742066 is about 377.3735459384.

The spelling of 53742066 in words is "fifty-three million, seven hundred forty-two thousand, sixty-six".