53126555 has 4 divisors (see below), whose sum is σ = 63751872. Its totient is φ = 42501240.

The previous prime is 53126551. The next prime is 53126599. The reversal of 53126555 is 55562135.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 53126555 - 2² = 53126551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53126551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5312651 + ... + 5312660.

It is an arithmetic number, because the mean of its divisors is an integer number (15937968).

Almost surely, 2^53126555 is an apocalyptic number.

53126555 is a deficient number, since it is larger than the sum of its proper divisors (10625317).

53126555 is a wasteful number, since it uses less digits than its factorization.

53126555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10625316.

The product of its digits is 22500, while the sum is 32.

The square root of 53126555 is about 7288.7965398960. The cubic root of 53126555 is about 375.9273168509.

It can be divided in two parts, 531 and 26555, that multiplied together give a triangular number (14100705 = T₅₃₁₀).

The spelling of 53126555 in words is "fifty-three million, one hundred twenty-six thousand, five hundred fifty-five".