55653769 has 8 divisors (see below), whose sum is σ = 57136968. Its totient is φ = 54176640.

The previous prime is 55653749. The next prime is 55653797. The reversal of 55653769 is 96735655.

It can be written as a sum of positive squares in 4 ways, for example, as 1071225 + 54582544 = 1035^2 + 7388^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55653769 - 2¹¹ = 55651721 is a prime.

It is a super-2 number, since 2×55653769² = 6194684007810722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55653749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21619 + ... + 24055.

It is an arithmetic number, because the mean of its divisors is an integer number (7142121).

Almost surely, 2^55653769 is an apocalyptic number.

It is an amenable number.

55653769 is a deficient number, since it is larger than the sum of its proper divisors (1483199).

55653769 is a wasteful number, since it uses less digits than its factorization.

55653769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3035.

The product of its digits is 850500, while the sum is 46.

The square root of 55653769 is about 7460.1453739187. The cubic root of 55653769 is about 381.7961344704.

The spelling of 55653769 in words is "fifty-five million, six hundred fifty-three thousand, seven hundred sixty-nine".