53249701 has 4 divisors (see below), whose sum is σ = 53291872. Its totient is φ = 53207532.

The previous prime is 53249687. The next prime is 53249719. The reversal of 53249701 is 10794235.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53249701 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 (53249741) 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, 19131 + ... + 21736.

It is an arithmetic number, because the mean of its divisors is an integer number (13322968).

Almost surely, 2^53249701 is an apocalyptic number.

It is an amenable number.

53249701 is a deficient number, since it is larger than the sum of its proper divisors (42171).

53249701 is a wasteful number, since it uses less digits than its factorization.

53249701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42170.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 53249701 is about 7297.2392724920. The cubic root of 53249701 is about 376.2175560226.

The spelling of 53249701 in words is "fifty-three million, two hundred forty-nine thousand, seven hundred one".