55141553 has 4 divisors (see below), whose sum is σ = 58043760. Its totient is φ = 52239348.

The previous prime is 55141531. The next prime is 55141561. The reversal of 55141553 is 35514155.

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 a de Polignac number, because none of the positive numbers 2^k-55141553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55141573) 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, 1451075 + ... + 1451112.

It is an arithmetic number, because the mean of its divisors is an integer number (14510940).

Almost surely, 2^55141553 is an apocalyptic number.

It is an amenable number.

55141553 is a deficient number, since it is larger than the sum of its proper divisors (2902207).

55141553 is a wasteful number, since it uses less digits than its factorization.

55141553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2902206.

The product of its digits is 7500, while the sum is 29.

The square root of 55141553 is about 7425.7358557923. The cubic root of 55141553 is about 380.6212207224.

The spelling of 55141553 in words is "fifty-five million, one hundred forty-one thousand, five hundred fifty-three".