55007536 has 60 divisors (see below), whose sum is σ = 114240952. Its totient is φ = 25648128.

The previous prime is 55007521. The next prime is 55007539. The reversal of 55007536 is 63570055.

It is a junction number, because it is equal to n+sod(n) for n = 55007498 and 55007507.

It is not an unprimeable number, because it can be changed into a prime (55007539) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 567040 + ... + 567136.

Almost surely, 2^55007536 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 55007536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57120476).

55007536 is an abundant number, since it is smaller than the sum of its proper divisors (59233416).

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

55007536 is a wasteful number, since it uses less digits than its factorization.

55007536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 15750, while the sum is 31.

The square root of 55007536 is about 7416.7065467093. The cubic root of 55007536 is about 380.3126144040.

The spelling of 55007536 in words is "fifty-five million, seven thousand, five hundred thirty-six".