55732146 has 8 divisors (see below), whose sum is σ = 111464304. Its totient is φ = 18577380.

The previous prime is 55732091. The next prime is 55732147. The reversal of 55732146 is 64123755.

It is a sphenic number, since it is the product of 3 distinct primes.

55732146 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55732147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4644340 + ... + 4644351.

It is an arithmetic number, because the mean of its divisors is an integer number (13933038).

Almost surely, 2^55732146 is an apocalyptic number.

55732146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55732146 is a wasteful number, since it uses less digits than its factorization.

55732146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9288696.

The product of its digits is 25200, while the sum is 33.

The square root of 55732146 is about 7465.3965735251. The cubic root of 55732146 is about 381.9752777692.

The spelling of 55732146 in words is "fifty-five million, seven hundred thirty-two thousand, one hundred forty-six".