55214851 has 4 divisors (see below), whose sum is σ = 55703592. Its totient is φ = 54726112.

The previous prime is 55214839. The next prime is 55214879. The reversal of 55214851 is 15841255.

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

It is a cyclic number.

It is not a de Polignac number, because 55214851 - 2⁷ = 55214723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55214051) 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, 244201 + ... + 244426.

It is an arithmetic number, because the mean of its divisors is an integer number (13925898).

Almost surely, 2^55214851 is an apocalyptic number.

55214851 is a deficient number, since it is larger than the sum of its proper divisors (488741).

55214851 is a wasteful number, since it uses less digits than its factorization.

55214851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488740.

The product of its digits is 8000, while the sum is 31.

The square root of 55214851 is about 7430.6696198929. The cubic root of 55214851 is about 380.7897954794.

It can be divided in two parts, 55214 and 851, that added together give a palindrome (56065).

The spelling of 55214851 in words is "fifty-five million, two hundred fourteen thousand, eight hundred fifty-one".