Search a number
-
+
55430379 = 332052977
BaseRepresentation
bin1101001101110…
…0110011101011
310212022011012000
43103130303223
5103142233004
65300022043
71242102414
oct323346353
9125264160
1055430379
112931a734
1216691923
13b63a054
14750c80b
154cedc39
hex34dcceb

55430379 has 8 divisors (see below), whose sum is σ = 82119120. Its totient is φ = 36953568.

The previous prime is 55430369. The next prime is 55430381. The reversal of 55430379 is 97303455.

55430379 is a `hidden beast` number, since 554 + 30 + 3 + 79 = 666.

It is not a de Polignac number, because 55430379 - 24 = 55430363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55430369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1026462 + ... + 1026515.

It is an arithmetic number, because the mean of its divisors is an integer number (10264890).

Almost surely, 255430379 is an apocalyptic number.

55430379 is a deficient number, since it is larger than the sum of its proper divisors (26688741).

55430379 is a wasteful number, since it uses less digits than its factorization.

55430379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2052986 (or 2052980 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 36.

The square root of 55430379 is about 7445.1580910012. The cubic root of 55430379 is about 381.2846159020.

The spelling of 55430379 in words is "fifty-five million, four hundred thirty thousand, three hundred seventy-nine".

Divisors: 1 3 9 27 2052977 6158931 18476793 55430379