Search a number
-
+
55451342 = 227725671
BaseRepresentation
bin1101001110000…
…1111011001110
310212100012221102
43103201323032
5103143420332
65300303102
71242220502
oct323417316
9125305842
1055451342
1129334461
12166a1a92
13b64675b
147516302
154d05062
hex34e1ece

55451342 has 4 divisors (see below), whose sum is σ = 83177016. Its totient is φ = 27725670.

The previous prime is 55451339. The next prime is 55451353. The reversal of 55451342 is 24315455.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24315455 = 54863091.

It is a super-3 number, since 3×554513423 (a number of 24 digits) contains 333 as substring.

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, 13862834 + ... + 13862837.

It is an arithmetic number, because the mean of its divisors is an integer number (20794254).

Almost surely, 255451342 is an apocalyptic number.

55451342 is a deficient number, since it is larger than the sum of its proper divisors (27725674).

55451342 is a wasteful number, since it uses less digits than its factorization.

55451342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27725673.

The product of its digits is 12000, while the sum is 29.

The square root of 55451342 is about 7446.5657856491. The cubic root of 55451342 is about 381.3326753606.

Adding to 55451342 its reverse (24315455), we get a palindrome (79766797).

The spelling of 55451342 in words is "fifty-five million, four hundred fifty-one thousand, three hundred forty-two".

Divisors: 1 2 27725671 55451342