53662001 has 4 divisors (see below), whose sum is σ = 53814372. Its totient is φ = 53509632.

The previous prime is 53661991. The next prime is 53662019. The reversal of 53662001 is 10026635.

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

It can be written as a sum of positive squares in 2 ways, for example, as 22848400 + 30813601 = 4780^2 + 5551^2 .

It is a cyclic number.

It is not a de Polignac number, because 53662001 - 2¹⁰ = 53660977 is a prime.

It is a super-2 number, since 2×53662001² = 5759220702648002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53662031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75656 + ... + 76361.

It is an arithmetic number, because the mean of its divisors is an integer number (13453593).

Almost surely, 2^53662001 is an apocalyptic number.

It is an amenable number.

53662001 is a deficient number, since it is larger than the sum of its proper divisors (152371).

53662001 is a wasteful number, since it uses less digits than its factorization.

53662001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152370.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 53662001 is about 7325.4352089142. The cubic root of 53662001 is about 377.1860489295.

Adding to 53662001 its reverse (10026635), we get a palindrome (63688636).

The spelling of 53662001 in words is "fifty-three million, six hundred sixty-two thousand, one".