55653701 has 4 divisors (see below), whose sum is σ = 55689900. Its totient is φ = 55617504.

The previous prime is 55653623. The next prime is 55653707. The reversal of 55653701 is 10735655.

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 24304900 + 31348801 = 4930^2 + 5599^2 .

It is a cyclic number.

It is not a de Polignac number, because 55653701 - 2¹⁰ = 55652677 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 (55653707) 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, 15686 + ... + 18903.

It is an arithmetic number, because the mean of its divisors is an integer number (13922475).

Almost surely, 2^55653701 is an apocalyptic number.

It is an amenable number.

55653701 is a deficient number, since it is larger than the sum of its proper divisors (36199).

55653701 is a wasteful number, since it uses less digits than its factorization.

55653701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36198.

The product of its (nonzero) digits is 15750, while the sum is 32.

The square root of 55653701 is about 7460.1408163653. The cubic root of 55653701 is about 381.7959789724.

The spelling of 55653701 in words is "fifty-five million, six hundred fifty-three thousand, seven hundred one".