55261365 has 32 divisors (see below), whose sum is σ = 90647040. Its totient is φ = 28740096.

The previous prime is 55261363. The next prime is 55261379. The reversal of 55261365 is 56316255.

It is not a de Polignac number, because 55261365 - 2¹ = 55261363 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55261363) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119124 + ... + 119586.

It is an arithmetic number, because the mean of its divisors is an integer number (2832720).

Almost surely, 2^55261365 is an apocalyptic number.

It is an amenable number.

55261365 is a deficient number, since it is larger than the sum of its proper divisors (35385675).

55261365 is a wasteful number, since it uses less digits than its factorization.

55261365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653.

The product of its digits is 27000, while the sum is 33.

The square root of 55261365 is about 7433.7988269794. The cubic root of 55261365 is about 380.8966935627.

The spelling of 55261365 in words is "fifty-five million, two hundred sixty-one thousand, three hundred sixty-five".