55145363 has 8 divisors (see below), whose sum is σ = 67871328. Its totient is φ = 43631424.

The previous prime is 55145359. The next prime is 55145401. The reversal of 55145363 is 36354155.

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

It is a cyclic number.

It is not a de Polignac number, because 55145363 - 2² = 55145359 is a prime.

It is a super-2 number, since 2×55145363² = 6082022120803538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55145303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302906 + ... + 303087.

It is an arithmetic number, because the mean of its divisors is an integer number (8483916).

Almost surely, 2^55145363 is an apocalyptic number.

55145363 is a deficient number, since it is larger than the sum of its proper divisors (12725965).

55145363 is a wasteful number, since it uses less digits than its factorization.

55145363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606013.

The product of its digits is 27000, while the sum is 32.

The square root of 55145363 is about 7425.9923915932. The cubic root of 55145363 is about 380.6299868487.

The spelling of 55145363 in words is "fifty-five million, one hundred forty-five thousand, three hundred sixty-three".