55571454 has 32 divisors (see below), whose sum is σ = 125828640. Its totient is φ = 18173376.

The previous prime is 55571449. The next prime is 55571489. The reversal of 55571454 is 45417555.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6847 + ... + 12570.

It is an arithmetic number, because the mean of its divisors is an integer number (3932145).

Almost surely, 2^55571454 is an apocalyptic number.

55571454 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

55571454 is an abundant number, since it is smaller than the sum of its proper divisors (70257186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55571454 is a wasteful number, since it uses less digits than its factorization.

55571454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19481 (or 19475 counting only the distinct ones).

The product of its digits is 70000, while the sum is 36.

The square root of 55571454 is about 7454.6263487850. The cubic root of 55571454 is about 381.6078090645.

The spelling of 55571454 in words is "fifty-five million, five hundred seventy-one thousand, four hundred fifty-four".