55260786 has 32 divisors (see below), whose sum is σ = 130387968. Its totient is φ = 15279120.

The previous prime is 55260763. The next prime is 55260811. The reversal of 55260786 is 68706255.

It is a happy number.

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, 19920 + ... + 22523.

It is an arithmetic number, because the mean of its divisors is an integer number (4074624).

Almost surely, 2^55260786 is an apocalyptic number.

55260786 is an abundant number, since it is smaller than the sum of its proper divisors (75127182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55260786 is a wasteful number, since it uses less digits than its factorization.

55260786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42486.

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 55260786 is about 7433.7598831278. The cubic root of 55260786 is about 380.8953632785.

The spelling of 55260786 in words is "fifty-five million, two hundred sixty thousand, seven hundred eighty-six".