55134553 has 12 divisors (see below), whose sum is σ = 59415552. Its totient is φ = 51141440.

The previous prime is 55134533. The next prime is 55134559. The reversal of 55134553 is 35543155.

It is a de Polignac number, because none of the positive numbers 2^k-55134553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55134559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19176 + ... + 21862.

It is an arithmetic number, because the mean of its divisors is an integer number (4951296).

Almost surely, 2^55134553 is an apocalyptic number.

It is an amenable number.

55134553 is a deficient number, since it is larger than the sum of its proper divisors (4280999).

55134553 is a wasteful number, since it uses less digits than its factorization.

55134553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2792 (or 2775 counting only the distinct ones).

The product of its digits is 22500, while the sum is 31.

The square root of 55134553 is about 7425.2645070731. The cubic root of 55134553 is about 380.6051139261.

The spelling of 55134553 in words is "fifty-five million, one hundred thirty-four thousand, five hundred fifty-three".