55231053 has 4 divisors (see below), whose sum is σ = 73641408. Its totient is φ = 36820700.

The previous prime is 55231039. The next prime is 55231061. The reversal of 55231053 is 35013255.

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 55231053 - 2⁹ = 55230541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55231013) 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, 9205173 + ... + 9205178.

It is an arithmetic number, because the mean of its divisors is an integer number (18410352).

Almost surely, 2^55231053 is an apocalyptic number.

It is an amenable number.

55231053 is a deficient number, since it is larger than the sum of its proper divisors (18410355).

55231053 is a wasteful number, since it uses less digits than its factorization.

55231053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18410354.

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 55231053 is about 7431.7597512299. The cubic root of 55231053 is about 380.8270375909.

The spelling of 55231053 in words is "fifty-five million, two hundred thirty-one thousand, fifty-three".