55553545 has 8 divisors (see below), whose sum is σ = 67037760. Its totient is φ = 44193840.

The previous prime is 55553521. The next prime is 55553567. The reversal of 55553545 is 54535555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55553545 - 2⁷ = 55553417 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30141 + ... + 31930.

It is an arithmetic number, because the mean of its divisors is an integer number (8379720).

Almost surely, 2^55553545 is an apocalyptic number.

It is an amenable number.

55553545 is a deficient number, since it is larger than the sum of its proper divisors (11484215).

55553545 is a wasteful number, since it uses less digits than its factorization.

55553545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62255.

The product of its digits is 187500, while the sum is 37.

The square root of 55553545 is about 7453.4250516122. The cubic root of 55553545 is about 381.5668111058.

The spelling of 55553545 in words is "fifty-five million, five hundred fifty-three thousand, five hundred forty-five".