55726862 has 4 divisors (see below), whose sum is σ = 83590296.
Its totient is φ = 27863430.
The previous prime is 55726859. The next prime is 55726877. The reversal of 55726862 is 26862755.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26862755 = 5 ⋅5372551.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13931714 + ... + 13931717.
It is an arithmetic number, because the mean of its divisors is an integer number (20897574).
Almost surely, 255726862 is an apocalyptic number.
55726862 is a deficient number, since it is larger than the sum of its proper divisors (27863434).
55726862 is a wasteful number, since it uses less digits than its factorization.
55726862 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27863433.
The product of its digits is 201600, while the sum is 41.
The square root of 55726862 is about 7465.0426656517.
The cubic root of 55726862 is about 381.9632056152.
The spelling of 55726862 in words is "fifty-five million, seven hundred twenty-six thousand, eight hundred sixty-two".