53445701 has 4 divisors (see below), whose sum is σ = 53491404. Its totient is φ = 53400000.

The previous prime is 53445697. The next prime is 53445713. The reversal of 53445701 is 10754435.

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 10857025 + 42588676 = 3295^2 + 6526^2 .

It is a cyclic number.

It is not a de Polignac number, because 53445701 - 2² = 53445697 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53445761) 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, 21050 + ... + 23451.

It is an arithmetic number, because the mean of its divisors is an integer number (13372851).

Almost surely, 2^53445701 is an apocalyptic number.

It is an amenable number.

53445701 is a deficient number, since it is larger than the sum of its proper divisors (45703).

53445701 is a wasteful number, since it uses less digits than its factorization.

53445701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45702.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 53445701 is about 7310.6566736511. The cubic root of 53445701 is about 376.6785811704.

The spelling of 53445701 in words is "fifty-three million, four hundred forty-five thousand, seven hundred one".