55352865 has 8 divisors (see below), whose sum is σ = 88564608. Its totient is φ = 29521520.

The previous prime is 55352861. The next prime is 55352873. The reversal of 55352865 is 56825355.

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

It is not a de Polignac number, because 55352865 - 2² = 55352861 is a prime.

It is a super-3 number, since 3×55352865³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (55352861) 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, 1845081 + ... + 1845110.

It is an arithmetic number, because the mean of its divisors is an integer number (11070576).

Almost surely, 2^55352865 is an apocalyptic number.

It is an amenable number.

55352865 is a deficient number, since it is larger than the sum of its proper divisors (33211743).

55352865 is a wasteful number, since it uses less digits than its factorization.

55352865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3690199.

The product of its digits is 180000, while the sum is 39.

The square root of 55352865 is about 7439.9506046747. The cubic root of 55352865 is about 381.1068031603.

The spelling of 55352865 in words is "fifty-five million, three hundred fifty-two thousand, eight hundred sixty-five".