Search a number
-
+
55313134 = 227656567
BaseRepresentation
bin1101001100000…
…0001011101110
310212002012100121
43103000023232
5103130010014
65253315154
71241103532
oct323001356
9125065317
1055313134
112924a638
1216635aba
13b5c8886
1474bbbc2
154cc9124
hex34c02ee

55313134 has 4 divisors (see below), whose sum is σ = 82969704. Its totient is φ = 27656566.

The previous prime is 55313131. The next prime is 55313147. The reversal of 55313134 is 43131355.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43131355 = 58626271.

It is a junction number, because it is equal to n+sod(n) for n = 55313099 and 55313108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55313131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13828282 + ... + 13828285.

It is an arithmetic number, because the mean of its divisors is an integer number (20742426).

Almost surely, 255313134 is an apocalyptic number.

55313134 is a deficient number, since it is larger than the sum of its proper divisors (27656570).

55313134 is a wasteful number, since it uses less digits than its factorization.

55313134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27656569.

The product of its digits is 2700, while the sum is 25.

The square root of 55313134 is about 7437.2800135533. The cubic root of 55313134 is about 381.0155981333.

Adding to 55313134 its reverse (43131355), we get a palindrome (98444489).

The spelling of 55313134 in words is "fifty-five million, three hundred thirteen thousand, one hundred thirty-four".

Divisors: 1 2 27656567 55313134