55265615 has 8 divisors (see below), whose sum is σ = 66404448. Its totient is φ = 44155360.

The previous prime is 55265611. The next prime is 55265669. The reversal of 55265615 is 51656255.

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

It is not a de Polignac number, because 55265615 - 2² = 55265611 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 (55265611) 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, 2627 + ... + 10836.

It is an arithmetic number, because the mean of its divisors is an integer number (8300556).

Almost surely, 2^55265615 is an apocalyptic number.

55265615 is a deficient number, since it is larger than the sum of its proper divisors (11138833).

55265615 is a wasteful number, since it uses less digits than its factorization.

55265615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14289.

The product of its digits is 45000, while the sum is 35.

The square root of 55265615 is about 7434.0846780219. The cubic root of 55265615 is about 380.9064578857.

The spelling of 55265615 in words is "fifty-five million, two hundred sixty-five thousand, six hundred fifteen".