Search a number
-
+
55274801 is a prime number
BaseRepresentation
bin1101001011011…
…0110100110001
310212000020202212
43102312310301
5103122243201
65252421505
71240554011
oct322666461
9125006685
1055274801
112922385a
1216617895
13b5b42aa
1474abc41
154cbcabb
hex34b6d31

55274801 has 2 divisors, whose sum is σ = 55274802. Its totient is φ = 55274800.

The previous prime is 55274761. The next prime is 55274831. The reversal of 55274801 is 10847255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34105600 + 21169201 = 5840^2 + 4601^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55274801 is a prime.

It is not a weakly prime, because it can be changed into another prime (55274831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27637400 + 27637401.

It is an arithmetic number, because the mean of its divisors is an integer number (27637401).

Almost surely, 255274801 is an apocalyptic number.

It is an amenable number.

55274801 is a deficient number, since it is larger than the sum of its proper divisors (1).

55274801 is an equidigital number, since it uses as much as digits as its factorization.

55274801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 55274801 is about 7434.7024822786. The cubic root of 55274801 is about 380.9275608981.

The spelling of 55274801 in words is "fifty-five million, two hundred seventy-four thousand, eight hundred one".