55500542 has 4 divisors (see below), whose sum is σ = 83250816. Its totient is φ = 27750270.

The previous prime is 55500527. The next prime is 55500607. The reversal of 55500542 is 24500555.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24500555 = 5 ⋅4900111.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13875134 + ... + 13875137.

It is an arithmetic number, because the mean of its divisors is an integer number (20812704).

Almost surely, 2^55500542 is an apocalyptic number.

55500542 is a deficient number, since it is larger than the sum of its proper divisors (27750274).

55500542 is a wasteful number, since it uses less digits than its factorization.

55500542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27750273.

The product of its (nonzero) digits is 5000, while the sum is 26.

The square root of 55500542 is about 7449.8685894451. The cubic root of 55500542 is about 381.4454229868.

The spelling of 55500542 in words is "fifty-five million, five hundred thousand, five hundred forty-two".