55700869 has 8 divisors (see below), whose sum is σ = 64702208. Its totient is φ = 46960560.

The previous prime is 55700863. The next prime is 55700899. The reversal of 55700869 is 96800755.

It is a happy number.

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 55700869 - 2³ = 55700861 is a prime.

It is a super-2 number, since 2×55700869² = 6205173614710322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55700861) 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, 64797 + ... + 65650.

It is an arithmetic number, because the mean of its divisors is an integer number (8087776).

Almost surely, 2^55700869 is an apocalyptic number.

It is an amenable number.

55700869 is a deficient number, since it is larger than the sum of its proper divisors (9001339).

55700869 is a wasteful number, since it uses less digits than its factorization.

55700869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130515.

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 55700869 is about 7463.3014812481. The cubic root of 55700869 is about 381.9038092828.

The spelling of 55700869 in words is "fifty-five million, seven hundred thousand, eight hundred sixty-nine".