55492305 has 16 divisors (see below), whose sum is σ = 96859584. Its totient is φ = 26905280.

The previous prime is 55492303. The next prime is 55492313. The reversal of 55492305 is 50329455.

It is not a de Polignac number, because 55492305 - 2¹ = 55492303 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (55492303) 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, 167994 + ... + 168323.

It is an arithmetic number, because the mean of its divisors is an integer number (6053724).

Almost surely, 2^55492305 is an apocalyptic number.

55492305 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55492305 is a deficient number, since it is larger than the sum of its proper divisors (41367279).

55492305 is a wasteful number, since it uses less digits than its factorization.

55492305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336336.

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 55492305 is about 7449.3157403885. The cubic root of 55492305 is about 381.4265515711.

The spelling of 55492305 in words is "fifty-five million, four hundred ninety-two thousand, three hundred five".