55261066 has 16 divisors (see below), whose sum is σ = 98000640. Its totient is φ = 22866480.

The previous prime is 55261043. The next prime is 55261093. The reversal of 55261066 is 66016255.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67650 + ... + 68461.

It is an arithmetic number, because the mean of its divisors is an integer number (6125040).

Almost surely, 2^55261066 is an apocalyptic number.

55261066 is a deficient number, since it is larger than the sum of its proper divisors (42739574).

55261066 is a wasteful number, since it uses less digits than its factorization.

55261066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136149.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 55261066 is about 7433.7787161039. The cubic root of 55261066 is about 380.8960065950.

It can be divided in two parts, 55 and 261066, that added together give a square (261121 = 511²).

The spelling of 55261066 in words is "fifty-five million, two hundred sixty-one thousand, sixty-six".