55287536 has 40 divisors (see below), whose sum is σ = 114148944. Its totient is φ = 25850880.

The previous prime is 55287527. The next prime is 55287541. The reversal of 55287536 is 63578255.

It is a junction number, because it is equal to n+sod(n) for n = 55287493 and 55287502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48671 + ... + 49793.

Almost surely, 2^55287536 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 55287536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57074472).

55287536 is an abundant number, since it is smaller than the sum of its proper divisors (58861408).

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

55287536 is a wasteful number, since it uses less digits than its factorization.

55287536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329 (or 1323 counting only the distinct ones).

The product of its digits is 252000, while the sum is 41.

The square root of 55287536 is about 7435.5588895523. The cubic root of 55287536 is about 380.9568131667.

It can be divided in two parts, 552 and 87536, that added together give a palindrome (88088).

The spelling of 55287536 in words is "fifty-five million, two hundred eighty-seven thousand, five hundred thirty-six".