55593745 has 16 divisors (see below), whose sum is σ = 68866560. Its totient is φ = 43056000.

The previous prime is 55593731. The next prime is 55593749. The reversal of 55593745 is 54739555.

It is not a de Polignac number, because 55593745 - 2¹⁵ = 55560977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55593749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27520 + ... + 29470.

It is an arithmetic number, because the mean of its divisors is an integer number (4304160).

Almost surely, 2^55593745 is an apocalyptic number.

It is an amenable number.

55593745 is a deficient number, since it is larger than the sum of its proper divisors (13272815).

55593745 is a wasteful number, since it uses less digits than its factorization.

55593745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2136.

The product of its digits is 472500, while the sum is 43.

The square root of 55593745 is about 7456.1213107084. The cubic root of 55593745 is about 381.6588261602.

The spelling of 55593745 in words is "fifty-five million, five hundred ninety-three thousand, seven hundred forty-five".