55214554 has 8 divisors (see below), whose sum is σ = 82876788. Its totient is φ = 27588960.

The previous prime is 55214539. The next prime is 55214557. The reversal of 55214554 is 45541255.

It can be written as a sum of positive squares in 2 ways, for example, as 54686025 + 528529 = 7395^2 + 727^2 .

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

It is not an unprimeable number, because it can be changed into a prime (55214557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5017 + ... + 11644.

Almost surely, 2^55214554 is an apocalyptic number.

55214554 is a deficient number, since it is larger than the sum of its proper divisors (27662234).

55214554 is a wasteful number, since it uses less digits than its factorization.

55214554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18320.

The product of its digits is 20000, while the sum is 31.

The square root of 55214554 is about 7430.6496351261. The cubic root of 55214554 is about 380.7891127236.

The spelling of 55214554 in words is "fifty-five million, two hundred fourteen thousand, five hundred fifty-four".