55070136 has 96 divisors (see below), whose sum is σ = 168030720. Its totient is φ = 16142400.

The previous prime is 55070107. The next prime is 55070161. The reversal of 55070136 is 63107055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23431 + ... + 25673.

It is an arithmetic number, because the mean of its divisors is an integer number (1750320).

Almost surely, 2^55070136 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 55070136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84015360).

55070136 is an abundant number, since it is smaller than the sum of its proper divisors (112960584).

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

55070136 is a wasteful number, since it uses less digits than its factorization.

55070136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2297 (or 2290 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 55070136 is about 7420.9255487439. The cubic root of 55070136 is about 380.4568282450.

The spelling of 55070136 in words is "fifty-five million, seventy thousand, one hundred thirty-six".