55452554 has 4 divisors (see below), whose sum is σ = 83178834. Its totient is φ = 27726276.

The previous prime is 55452547. The next prime is 55452571. The reversal of 55452554 is 45525455.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 45873529 + 9579025 = 6773^2 + 3095^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13863137 + ... + 13863140.

Almost surely, 2^55452554 is an apocalyptic number.

55452554 is a deficient number, since it is larger than the sum of its proper divisors (27726280).

55452554 is a wasteful number, since it uses less digits than its factorization.

55452554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27726279.

The product of its digits is 100000, while the sum is 35.

The square root of 55452554 is about 7446.6471649998. The cubic root of 55452554 is about 381.3354536032.

The spelling of 55452554 in words is "fifty-five million, four hundred fifty-two thousand, five hundred fifty-four".