55490153 has 4 divisors (see below), whose sum is σ = 56192640. Its totient is φ = 54787668.

The previous prime is 55490131. The next prime is 55490173. The reversal of 55490153 is 35109455.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55490153 - 2¹⁶ = 55424617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55490173) 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, 351125 + ... + 351282.

It is an arithmetic number, because the mean of its divisors is an integer number (14048160).

Almost surely, 2^55490153 is an apocalyptic number.

It is an amenable number.

55490153 is a deficient number, since it is larger than the sum of its proper divisors (702487).

55490153 is an equidigital number, since it uses as much as digits as its factorization.

55490153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702486.

The product of its (nonzero) digits is 13500, while the sum is 32.

The square root of 55490153 is about 7449.1712961913. The cubic root of 55490153 is about 381.4216209142.

The spelling of 55490153 in words is "fifty-five million, four hundred ninety thousand, one hundred fifty-three".