55262505 has 16 divisors (see below), whose sum is σ = 88792704. Its totient is φ = 29349120.

The previous prime is 55262489. The next prime is 55262513. The reversal of 55262505 is 50526255.

It is not a de Polignac number, because 55262505 - 2⁴ = 55262489 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4029 + ... + 11258.

It is an arithmetic number, because the mean of its divisors is an integer number (5549544).

Almost surely, 2^55262505 is an apocalyptic number.

It is an amenable number.

55262505 is a deficient number, since it is larger than the sum of its proper divisors (33530199).

55262505 is a wasteful number, since it uses less digits than its factorization.

55262505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15536.

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 55262505 is about 7433.8755033966. The cubic root of 55262505 is about 380.8993127479.

It can be divided in two parts, 5526250 and 5, that added together give a palindrome (5526255).

The spelling of 55262505 in words is "fifty-five million, two hundred sixty-two thousand, five hundred five".