55450534 has 4 divisors (see below), whose sum is σ = 83175804. Its totient is φ = 27725266.

The previous prime is 55450519. The next prime is 55450559. The reversal of 55450534 is 43505455.

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

It is a junction number, because it is equal to n+sod(n) for n = 55450496 and 55450505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13862632 + ... + 13862635.

It is an arithmetic number, because the mean of its divisors is an integer number (20793951).

Almost surely, 2^55450534 is an apocalyptic number.

55450534 is a deficient number, since it is larger than the sum of its proper divisors (27725270).

55450534 is a wasteful number, since it uses less digits than its factorization.

55450534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27725269.

The product of its (nonzero) digits is 30000, while the sum is 31.

The square root of 55450534 is about 7446.5115322545. The cubic root of 55450534 is about 381.3308231764.

Adding to 55450534 its reverse (43505455), we get a palindrome (98955989).

The spelling of 55450534 in words is "fifty-five million, four hundred fifty thousand, five hundred thirty-four".