55261776 has 20 divisors (see below), whose sum is σ = 142759712. Its totient is φ = 18420576.

The previous prime is 55261721. The next prime is 55261783. The reversal of 55261776 is 67716255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 575596 + ... + 575691.

Almost surely, 2^55261776 is an apocalyptic number.

It is an amenable number.

55261776 is an abundant number, since it is smaller than the sum of its proper divisors (87497936).

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

55261776 is a wasteful number, since it uses less digits than its factorization.

55261776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151298 (or 1151292 counting only the distinct ones).

The product of its digits is 88200, while the sum is 39.

The square root of 55261776 is about 7433.8264709368. The cubic root of 55261776 is about 380.8976378520.

The spelling of 55261776 in words is "fifty-five million, two hundred sixty-one thousand, seven hundred seventy-six".