55372066 has 8 divisors (see below), whose sum is σ = 83091024. Its totient is φ = 27675060.

The previous prime is 55372021. The next prime is 55372067. The reversal of 55372066 is 66027355.

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

It is not an unprimeable number, because it can be changed into a prime (55372067) 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, 4341 + ... + 11383.

It is an arithmetic number, because the mean of its divisors is an integer number (10386378).

Almost surely, 2^55372066 is an apocalyptic number.

55372066 is a deficient number, since it is larger than the sum of its proper divisors (27718958).

55372066 is a wasteful number, since it uses less digits than its factorization.

55372066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10976.

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 55372066 is about 7441.2408911417. The cubic root of 55372066 is about 381.1508646301.

The spelling of 55372066 in words is "fifty-five million, three hundred seventy-two thousand, sixty-six".