55924145 has 4 divisors (see below), whose sum is σ = 67108980. Its totient is φ = 44739312.

The previous prime is 55924133. The next prime is 55924157. The reversal of 55924145 is 54142955.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (55924133) and next prime (55924157).

It can be written as a sum of positive squares in 2 ways, for example, as 36493681 + 19430464 = 6041^2 + 4408^2 .

It is a cyclic number.

It is not a de Polignac number, because 55924145 - 2⁶ = 55924081 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5592410 + ... + 5592419.

It is an arithmetic number, because the mean of its divisors is an integer number (16777245).

Almost surely, 2^55924145 is an apocalyptic number.

It is an amenable number.

55924145 is a deficient number, since it is larger than the sum of its proper divisors (11184835).

55924145 is a wasteful number, since it uses less digits than its factorization.

55924145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11184834.

The product of its digits is 36000, while the sum is 35.

The square root of 55924145 is about 7478.2447806955. The cubic root of 55924145 is about 382.4134139808.

The spelling of 55924145 in words is "fifty-five million, nine hundred twenty-four thousand, one hundred forty-five".