55273536 has 112 divisors (see below), whose sum is σ = 168249600. Its totient is φ = 17773056.

The previous prime is 55273529. The next prime is 55273583. The reversal of 55273536 is 63537255.

55273536 is a `hidden beast` number, since 5 + 52 + 73 + 536 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 55273536.

It is a congruent 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, 49561 + ... + 50663.

Almost surely, 2^55273536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55273536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84124800).

55273536 is an abundant number, since it is smaller than the sum of its proper divisors (112976064).

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

55273536 is a wasteful number, since it uses less digits than its factorization.

55273536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153 (or 1137 counting only the distinct ones).

The product of its digits is 94500, while the sum is 36.

The square root of 55273536 is about 7434.6174077756. The cubic root of 55273536 is about 380.9246549504.

It can be divided in two parts, 552 and 73536, that added together give a cube (74088 = 42³).

The spelling of 55273536 in words is "fifty-five million, two hundred seventy-three thousand, five hundred thirty-six".