53253766 has 4 divisors (see below), whose sum is σ = 79880652. Its totient is φ = 26626882.

The previous prime is 53253757. The next prime is 53253787. The reversal of 53253766 is 66735235.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13313440 + ... + 13313443.

It is an arithmetic number, because the mean of its divisors is an integer number (19970163).

Almost surely, 2^53253766 is an apocalyptic number.

53253766 is a deficient number, since it is larger than the sum of its proper divisors (26626886).

53253766 is a wasteful number, since it uses less digits than its factorization.

53253766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26626885.

The product of its digits is 113400, while the sum is 37.

The square root of 53253766 is about 7297.5177971691. The cubic root of 53253766 is about 376.2271290682.

The spelling of 53253766 in words is "fifty-three million, two hundred fifty-three thousand, seven hundred sixty-six".