55932120 has 160 divisors (see below), whose sum is σ = 191751120. Its totient is φ = 14618880.

The previous prime is 55932073. The next prime is 55932127. The reversal of 55932120 is 2123955.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55932127) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 197499 + ... + 197781.

Almost surely, 2^55932120 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 55932120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95875560).

55932120 is an abundant number, since it is smaller than the sum of its proper divisors (135819000).

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

55932120 is a wasteful number, since it uses less digits than its factorization.

55932120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367 (or 354 counting only the distinct ones).

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

The square root of 55932120 is about 7478.7779750438. Note that the first 3 decimals coincide. The cubic root of 55932120 is about 382.4315909955.

The spelling of 55932120 in words is "fifty-five million, nine hundred thirty-two thousand, one hundred twenty".