55770336 has 96 divisors (see below), whose sum is σ = 172277280. Its totient is φ = 17491968.

The previous prime is 55770329. The next prime is 55770343. The reversal of 55770336 is 63307755.

55770336 is a `hidden beast` number, since 557 + 70 + 3 + 36 = 666.

It is an interprime number because it is at equal distance from previous prime (55770329) and next prime (55770343).

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×55770336² = 6220660755105792, which contains 22 as substring.

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 55770336.

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, 12790 + ... + 16586.

It is an arithmetic number, because the mean of its divisors is an integer number (1794555).

Almost surely, 2^55770336 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 55770336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86138640).

55770336 is an abundant number, since it is smaller than the sum of its proper divisors (116506944).

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

55770336 is a wasteful number, since it uses less digits than its factorization.

55770336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3833 (or 3819 counting only the distinct ones).

The product of its (nonzero) digits is 66150, while the sum is 36.

The square root of 55770336 is about 7467.9539366549. The cubic root of 55770336 is about 382.0625063327.

The spelling of 55770336 in words is "fifty-five million, seven hundred seventy thousand, three hundred thirty-six".