55529554 has 4 divisors (see below), whose sum is σ = 83294334. Its totient is φ = 27764776.

The previous prime is 55529491. The next prime is 55529603. The reversal of 55529554 is 45592555.

It is a happy number.

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., 37271025 + 18258529 = 6105^2 + 4273^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13882387 + ... + 13882390.

Almost surely, 2^55529554 is an apocalyptic number.

55529554 is a deficient number, since it is larger than the sum of its proper divisors (27764780).

55529554 is a wasteful number, since it uses less digits than its factorization.

55529554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27764779.

The product of its digits is 225000, while the sum is 40.

The square root of 55529554 is about 7451.8154834913. The cubic root of 55529554 is about 381.5118761930.

The spelling of 55529554 in words is "fifty-five million, five hundred twenty-nine thousand, five hundred fifty-four".