55061136 has 120 divisors (see below), whose sum is σ = 168808640. Its totient is φ = 16651008.

The previous prime is 55061131. The next prime is 55061137. The reversal of 55061136 is 63116055.

It is a happy number.

It is a super-2 number, since 2×55061136² = 6063457395220992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55061131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 125205 + ... + 125643.

Almost surely, 2^55061136 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 55061136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84404320).

55061136 is an abundant number, since it is smaller than the sum of its proper divisors (113747504).

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

55061136 is a wasteful number, since it uses less digits than its factorization.

55061136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533 (or 524 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 55061136 is about 7420.3191306035. The cubic root of 55061136 is about 380.4361013547.

The spelling of 55061136 in words is "fifty-five million, sixty-one thousand, one hundred thirty-six".